<?php
/**
 * EventsApi
 * PHP version 7.4
 *
 * @category Class
 * @package  KlaviyoAPI
 * @author   OpenAPI Generator team
 * @link     https://openapi-generator.tech
 */

/**
 * Klaviyo API
 *
 * The Klaviyo REST API. Please visit https://developers.klaviyo.com for more details.
 *
 * Contact: developers@klaviyo.com
 * Generated by: https://openapi-generator.tech
 * OpenAPI Generator version: 6.1.0
 */

/**
 * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech).
 * https://openapi-generator.tech
 * Do not edit the class manually.
 */

namespace KlaviyoAPI\API;

use GuzzleHttp\Client;
use GuzzleHttp\ClientInterface;
use GuzzleHttp\Exception\ConnectException;
use GuzzleHttp\Exception\RequestException;
use GuzzleHttp\Psr7\MultipartStream;
use GuzzleHttp\Psr7\Request;
use GuzzleHttp\RequestOptions;
use KlaviyoAPI\ApiException;
use KlaviyoAPI\Configuration;
use KlaviyoAPI\HeaderSelector;
use KlaviyoAPI\ObjectSerializer;

/**
 * EventsApi Class Doc Comment
 *
 * @category Class
 * @package  KlaviyoAPI
 * @author   OpenAPI Generator team
 * @link     https://openapi-generator.tech
 */
class EventsApi
{
    /**
     * @var ClientInterface
     */
    protected $client;

    /**
     * @var Configuration
     */
    protected $config;

    /**
     * @var HeaderSelector
     */
    protected $headerSelector;

    /**
     * @var int Host index
     */
    protected $hostIndex;

    /**
     * @param ClientInterface $client
     * @param Configuration   $config
     * @param HeaderSelector  $selector
     * @param int             $hostIndex (Optional) host index to select the list of hosts if defined in the OpenAPI spec
     */
    public function __construct(
        ClientInterface $client = null,
        Configuration $config = null,
        HeaderSelector $selector = null,
        $hostIndex = 0
    ) {
        $this->client = $client ?: new Client();
        $this->config = $config ?: new Configuration();
        $this->headerSelector = $selector ?: new HeaderSelector();
        $this->hostIndex = $hostIndex;
    }

    /**
     * Set the host index
     *
     * @param int $hostIndex Host index (required)
     */
    public function setHostIndex($hostIndex): void
    {
        $this->hostIndex = $hostIndex;
    }

    /**
     * Get the host index
     *
     * @return int Host index
     */
    public function getHostIndex()
    {
        return $this->hostIndex;
    }

    /**
     * @return Configuration
     */
    public function getConfig()
    {
        return $this->config;
    }

    /**
     * Operation bulkCreateEvents
     *
     * Bulk Create Events
     *
     * @param  \KlaviyoAPI\Model\EventsBulkCreateJob $events_bulk_create_job events_bulk_create_job (required)
     *
     * @throws \KlaviyoAPI\ApiException on non-2xx response
     * @throws \InvalidArgumentException
     * @return void
     */
    public function bulkCreateEvents($events_bulk_create_job, $apiKey = null)
    {
        $this->bulkCreateEventsWithHttpInfo($events_bulk_create_job, $apiKey);
    }

    /**
     * Alias of `bulkCreateEvents`
     *
     * @deprecated use `bulkCreateEvents` instead
     */
    public function createEventBulkCreateJob(...$args) {
        return $this->bulkCreateEvents(...$args);
    }

    /**
     * Operation bulkCreateEventsWithHttpInfo
     *
     * Bulk Create Events
     *
     * @param  \KlaviyoAPI\Model\EventsBulkCreateJob $events_bulk_create_job (required)
     *
     * @throws \KlaviyoAPI\ApiException on non-2xx response
     * @throws \InvalidArgumentException
     * @return array of null, HTTP status code, HTTP response headers (array of strings)
     */
    public function bulkCreateEventsWithHttpInfo($events_bulk_create_job, $apiKey = null)
    {
        $request = $this->bulkCreateEventsRequest($events_bulk_create_job, $apiKey);

        try {
            $options = $this->createHttpClientOption();
            try {
                $response = $this->client->send($request, $options);
            } catch (RequestException $e) {
                throw new ApiException(
                    "[{$e->getCode()}] {$e->getMessage()}",
                    (int) $e->getCode(),
                    $e->getResponse() ? $e->getResponse()->getHeaders() : null,
                    $e->getResponse() ? (string) $e->getResponse()->getBody() : null
                );
            } catch (ConnectException $e) {
                throw new ApiException(
                    "[{$e->getCode()}] {$e->getMessage()}",
                    (int) $e->getCode(),
                    null,
                    null
                );
            }

            $statusCode = $response->getStatusCode();

            if ($statusCode < 200 || $statusCode > 299) {
                throw new ApiException(
                    sprintf(
                        '[%d] Error connecting to the API (%s)',
                        $statusCode,
                        (string) $request->getUri()
                    ),
                    $statusCode,
                    $response->getHeaders(),
                    (string) $response->getBody()
                );
            }

            return [null, $statusCode, $response->getHeaders()];

        } catch (ApiException $e) {
            switch ($e->getCode()) {
                case 400:
                    $data = ObjectSerializer::deserialize(
                        $e->getResponseBody(),
                        '\KlaviyoAPI\Model\GetAccounts400Response',
                        $e->getResponseHeaders()
                    );
                    $e->setResponseObject($data);
                    break;
                case 500:
                    $data = ObjectSerializer::deserialize(
                        $e->getResponseBody(),
                        '\KlaviyoAPI\Model\GetAccounts400Response',
                        $e->getResponseHeaders()
                    );
                    $e->setResponseObject($data);
                    break;
            }
            throw $e;
        }
    }

    /**
     * Alias of `bulkCreateEventsWithHttpInfo`
     *
     * @deprecated use `bulkCreateEventsWithHttpInfo` instead
     */
    public function createEventBulkCreateJobWithHttpInfo(...$args) {
        return $this->bulkCreateEventsWithHttpInfo(...$args);
    }

    /**
     * Operation bulkCreateEventsAsync
     *
     * Bulk Create Events
     *
     * @param  \KlaviyoAPI\Model\EventsBulkCreateJob $events_bulk_create_job (required)
     *
     * @throws \InvalidArgumentException
     * @return \GuzzleHttp\Promise\PromiseInterface
     */
    public function bulkCreateEventsAsync($events_bulk_create_job, $apiKey = null)
    {
        return $this->bulkCreateEventsAsyncWithHttpInfo($events_bulk_create_job, $apiKey)
            ->then(
                function ($response) {
                    return $response[0];
                }
            );
    }

    /**
     * Alias of `bulkCreateEventsAsync`
     *
     * @deprecated use `bulkCreateEventsAsync` instead
     */
    public function createEventBulkCreateJobAsync(...$args) {
        return $this->bulkCreateEventsAsync(...$args);
    }

    /**
     * Operation bulkCreateEventsAsyncWithHttpInfo
     *
     * Bulk Create Events
     *
     * @param  \KlaviyoAPI\Model\EventsBulkCreateJob $events_bulk_create_job (required)
     *
     * @throws \InvalidArgumentException
     * @return \GuzzleHttp\Promise\PromiseInterface
     */
    public function bulkCreateEventsAsyncWithHttpInfo($events_bulk_create_job, $apiKey = null)
    {
        $returnType = '';
        $request = $this->bulkCreateEventsRequest($events_bulk_create_job, $apiKey);

        return $this->client
            ->sendAsync($request, $this->createHttpClientOption())
            ->then(
                function ($response) use ($returnType) {
                    return [null, $response->getStatusCode(), $response->getHeaders()];
                },
                function ($exception) {
                    $response = $exception->getResponse();
                    $statusCode = $response->getStatusCode();
                    throw new ApiException(
                        sprintf(
                            '[%d] Error connecting to the API (%s)',
                            $statusCode,
                            $exception->getRequest()->getUri()
                        ),
                        $statusCode,
                        $response->getHeaders(),
                        (string) $response->getBody()
                    );
                }
            );
    }

    /**
     * Alias of `bulkCreateEventsAsyncWithHttpInfo`
     *
     * @deprecated use `bulkCreateEventsAsyncWithHttpInfo` instead
     */
    public function createEventBulkCreateJobAsyncWithHttpInfo(...$args) {
        return $this->bulkCreateEventsAsyncWithHttpInfo(...$args);
    }

    /**
     * Create request for operation 'bulkCreateEvents'
     *
     * @param  \KlaviyoAPI\Model\EventsBulkCreateJob $events_bulk_create_job (required)
     *
     * @throws \InvalidArgumentException
     * @return \GuzzleHttp\Psr7\Request
     */
    public function bulkCreateEventsRequest($events_bulk_create_job, $apiKey = null)
    {
        // verify the required parameter 'events_bulk_create_job' is set
        if ($events_bulk_create_job === null || (is_array($events_bulk_create_job) && count($events_bulk_create_job) === 0)) {
            throw new \InvalidArgumentException(
                'Missing the required parameter $events_bulk_create_job when calling bulkCreateEvents'
            );
        }

        $resourcePath = '/api/event-bulk-create-jobs';
        $formParams = [];
        $queryParams = [];
        $headerParams = [];
        $httpBody = '';
        $multipart = false;


        if ($multipart) {
            $headers = $this->headerSelector->selectHeadersForMultipart(
                ['application/vnd.api+json']
            );
        } else {
            $headers = $this->headerSelector->selectHeaders(
                ['application/vnd.api+json'],
                ['application/vnd.api+json']
            );
        }

        // for model (json/xml)
        if (isset($events_bulk_create_job)) {
            if ($headers['Content-Type'] === 'application/json' || $headers['Content-Type'] === 'application/vnd.api+json') {
                $httpBody = \GuzzleHttp\json_encode(ObjectSerializer::sanitizeForSerialization($events_bulk_create_job));
            } else {
                $httpBody = $events_bulk_create_job;
            }
        } elseif (count($formParams) > 0) {
            if ($multipart) {
                $multipartContents = [];
                foreach ($formParams as $formParamName => $formParamValue) {
                    $formParamValueItems = is_array($formParamValue) ? $formParamValue : [$formParamValue];
                    foreach ($formParamValueItems as $formParamValueItem) {
                        $multipartContents[] = [
                            'name' => $formParamName,
                            'contents' => $formParamValueItem
                        ];
                    }
                }
                // for HTTP post (form)
                $httpBody = new MultipartStream($multipartContents);

            } elseif ($headers['Content-Type'] === 'application/json' || $headers['Content-Type'] === 'application/vnd.api+json') {
                $httpBody = \GuzzleHttp\json_encode($formParams);

            } else {
                // for HTTP post (form)
                $httpBody = ObjectSerializer::buildQuery($formParams);
            }
        }

        // this endpoint requires API key authentication
        if ($apiKey == null) {
            $apiKey = $this->config->getApiKeyWithPrefix('Authorization');
        } else {
            $apiKey = 'Klaviyo-API-Key '.$apiKey;
        }

        $headers['Authorization'] = $apiKey;


        $defaultHeaders = [];
        if ($this->config->getUserAgent()) {
            $defaultHeaders['User-Agent'] = $this->config->getUserAgent();
        }

        $defaultHeaders['revision'] = ['2025-07-15'];

        $headers = array_merge(
            $defaultHeaders,
            $headerParams,
            $headers
        );

        $query = ObjectSerializer::buildQuery($queryParams);
        return new Request(
            'POST',
            $this->config->getHost() . $resourcePath . ($query ? "?{$query}" : ''),
            $headers,
            $httpBody
        );
    }

    /**
     * Alias of `bulkCreateEventsRequest`
     *
     * @deprecated use `bulkCreateEventsRequest` instead
     */
    public function createEventBulkCreateJobRequest(...$args) {
        return $this->bulkCreateEventsRequest(...$args);
    }

    /**
     * Operation createEvent
     *
     * Create Event
     *
     * @param  \KlaviyoAPI\Model\EventCreateQueryV2 $event_create_query_v2 event_create_query_v2 (required)
     *
     * @throws \KlaviyoAPI\ApiException on non-2xx response
     * @throws \InvalidArgumentException
     * @return void
     */
    public function createEvent($event_create_query_v2, $apiKey = null)
    {
        $this->createEventWithHttpInfo($event_create_query_v2, $apiKey);
    }

    /**
     * Operation createEventWithHttpInfo
     *
     * Create Event
     *
     * @param  \KlaviyoAPI\Model\EventCreateQueryV2 $event_create_query_v2 (required)
     *
     * @throws \KlaviyoAPI\ApiException on non-2xx response
     * @throws \InvalidArgumentException
     * @return array of null, HTTP status code, HTTP response headers (array of strings)
     */
    public function createEventWithHttpInfo($event_create_query_v2, $apiKey = null)
    {
        $request = $this->createEventRequest($event_create_query_v2, $apiKey);

        try {
            $options = $this->createHttpClientOption();
            try {
                $response = $this->client->send($request, $options);
            } catch (RequestException $e) {
                throw new ApiException(
                    "[{$e->getCode()}] {$e->getMessage()}",
                    (int) $e->getCode(),
                    $e->getResponse() ? $e->getResponse()->getHeaders() : null,
                    $e->getResponse() ? (string) $e->getResponse()->getBody() : null
                );
            } catch (ConnectException $e) {
                throw new ApiException(
                    "[{$e->getCode()}] {$e->getMessage()}",
                    (int) $e->getCode(),
                    null,
                    null
                );
            }

            $statusCode = $response->getStatusCode();

            if ($statusCode < 200 || $statusCode > 299) {
                throw new ApiException(
                    sprintf(
                        '[%d] Error connecting to the API (%s)',
                        $statusCode,
                        (string) $request->getUri()
                    ),
                    $statusCode,
                    $response->getHeaders(),
                    (string) $response->getBody()
                );
            }

            return [null, $statusCode, $response->getHeaders()];

        } catch (ApiException $e) {
            switch ($e->getCode()) {
                case 400:
                    $data = ObjectSerializer::deserialize(
                        $e->getResponseBody(),
                        '\KlaviyoAPI\Model\GetAccounts400Response',
                        $e->getResponseHeaders()
                    );
                    $e->setResponseObject($data);
                    break;
                case 500:
                    $data = ObjectSerializer::deserialize(
                        $e->getResponseBody(),
                        '\KlaviyoAPI\Model\GetAccounts400Response',
                        $e->getResponseHeaders()
                    );
                    $e->setResponseObject($data);
                    break;
            }
            throw $e;
        }
    }

    /**
     * Operation createEventAsync
     *
     * Create Event
     *
     * @param  \KlaviyoAPI\Model\EventCreateQueryV2 $event_create_query_v2 (required)
     *
     * @throws \InvalidArgumentException
     * @return \GuzzleHttp\Promise\PromiseInterface
     */
    public function createEventAsync($event_create_query_v2, $apiKey = null)
    {
        return $this->createEventAsyncWithHttpInfo($event_create_query_v2, $apiKey)
            ->then(
                function ($response) {
                    return $response[0];
                }
            );
    }

    /**
     * Operation createEventAsyncWithHttpInfo
     *
     * Create Event
     *
     * @param  \KlaviyoAPI\Model\EventCreateQueryV2 $event_create_query_v2 (required)
     *
     * @throws \InvalidArgumentException
     * @return \GuzzleHttp\Promise\PromiseInterface
     */
    public function createEventAsyncWithHttpInfo($event_create_query_v2, $apiKey = null)
    {
        $returnType = '';
        $request = $this->createEventRequest($event_create_query_v2, $apiKey);

        return $this->client
            ->sendAsync($request, $this->createHttpClientOption())
            ->then(
                function ($response) use ($returnType) {
                    return [null, $response->getStatusCode(), $response->getHeaders()];
                },
                function ($exception) {
                    $response = $exception->getResponse();
                    $statusCode = $response->getStatusCode();
                    throw new ApiException(
                        sprintf(
                            '[%d] Error connecting to the API (%s)',
                            $statusCode,
                            $exception->getRequest()->getUri()
                        ),
                        $statusCode,
                        $response->getHeaders(),
                        (string) $response->getBody()
                    );
                }
            );
    }

    /**
     * Create request for operation 'createEvent'
     *
     * @param  \KlaviyoAPI\Model\EventCreateQueryV2 $event_create_query_v2 (required)
     *
     * @throws \InvalidArgumentException
     * @return \GuzzleHttp\Psr7\Request
     */
    public function createEventRequest($event_create_query_v2, $apiKey = null)
    {
        // verify the required parameter 'event_create_query_v2' is set
        if ($event_create_query_v2 === null || (is_array($event_create_query_v2) && count($event_create_query_v2) === 0)) {
            throw new \InvalidArgumentException(
                'Missing the required parameter $event_create_query_v2 when calling createEvent'
            );
        }

        $resourcePath = '/api/events';
        $formParams = [];
        $queryParams = [];
        $headerParams = [];
        $httpBody = '';
        $multipart = false;


        if ($multipart) {
            $headers = $this->headerSelector->selectHeadersForMultipart(
                ['application/vnd.api+json']
            );
        } else {
            $headers = $this->headerSelector->selectHeaders(
                ['application/vnd.api+json'],
                ['application/vnd.api+json']
            );
        }

        // for model (json/xml)
        if (isset($event_create_query_v2)) {
            if ($headers['Content-Type'] === 'application/json' || $headers['Content-Type'] === 'application/vnd.api+json') {
                $httpBody = \GuzzleHttp\json_encode(ObjectSerializer::sanitizeForSerialization($event_create_query_v2));
            } else {
                $httpBody = $event_create_query_v2;
            }
        } elseif (count($formParams) > 0) {
            if ($multipart) {
                $multipartContents = [];
                foreach ($formParams as $formParamName => $formParamValue) {
                    $formParamValueItems = is_array($formParamValue) ? $formParamValue : [$formParamValue];
                    foreach ($formParamValueItems as $formParamValueItem) {
                        $multipartContents[] = [
                            'name' => $formParamName,
                            'contents' => $formParamValueItem
                        ];
                    }
                }
                // for HTTP post (form)
                $httpBody = new MultipartStream($multipartContents);

            } elseif ($headers['Content-Type'] === 'application/json' || $headers['Content-Type'] === 'application/vnd.api+json') {
                $httpBody = \GuzzleHttp\json_encode($formParams);

            } else {
                // for HTTP post (form)
                $httpBody = ObjectSerializer::buildQuery($formParams);
            }
        }

        // this endpoint requires API key authentication
        if ($apiKey == null) {
            $apiKey = $this->config->getApiKeyWithPrefix('Authorization');
        } else {
            $apiKey = 'Klaviyo-API-Key '.$apiKey;
        }

        $headers['Authorization'] = $apiKey;


        $defaultHeaders = [];
        if ($this->config->getUserAgent()) {
            $defaultHeaders['User-Agent'] = $this->config->getUserAgent();
        }

        $defaultHeaders['revision'] = ['2025-07-15'];

        $headers = array_merge(
            $defaultHeaders,
            $headerParams,
            $headers
        );

        $query = ObjectSerializer::buildQuery($queryParams);
        return new Request(
            'POST',
            $this->config->getHost() . $resourcePath . ($query ? "?{$query}" : ''),
            $headers,
            $httpBody
        );
    }

    /**
     * Operation getEvent
     *
     * Get Event
     *
     * @param  string $id ID of the event (required)
     * @param  string[] $fields_event For more information please visit https://developers.klaviyo.com/en/v2025-07-15/reference/api-overview#sparse-fieldsets (optional)
     * @param  string[] $fields_metric For more information please visit https://developers.klaviyo.com/en/v2025-07-15/reference/api-overview#sparse-fieldsets (optional)
     * @param  string[] $fields_profile For more information please visit https://developers.klaviyo.com/en/v2025-07-15/reference/api-overview#sparse-fieldsets (optional)
     * @param  string[] $include For more information please visit https://developers.klaviyo.com/en/v2025-07-15/reference/api-overview#relationships (optional)
     *
     * @throws \KlaviyoAPI\ApiException on non-2xx response
     * @throws \InvalidArgumentException
     * @return array<string,mixed>|\KlaviyoAPI\Model\GetAccounts400Response|\KlaviyoAPI\Model\GetAccounts400Response
     */
    public function getEvent($id, $fields_event = null, $fields_metric = null, $fields_profile = null, $include = null, $apiKey = null)
    {
        list($response) = $this->getEventWithHttpInfo($id, $fields_event, $fields_metric, $fields_profile, $include, $apiKey);
        return $response;
    }

    /**
     * Operation getEventWithHttpInfo
     *
     * Get Event
     *
     * @param  string $id ID of the event (required)
     * @param  string[] $fields_event For more information please visit https://developers.klaviyo.com/en/v2025-07-15/reference/api-overview#sparse-fieldsets (optional)
     * @param  string[] $fields_metric For more information please visit https://developers.klaviyo.com/en/v2025-07-15/reference/api-overview#sparse-fieldsets (optional)
     * @param  string[] $fields_profile For more information please visit https://developers.klaviyo.com/en/v2025-07-15/reference/api-overview#sparse-fieldsets (optional)
     * @param  string[] $include For more information please visit https://developers.klaviyo.com/en/v2025-07-15/reference/api-overview#relationships (optional)
     *
     * @throws \KlaviyoAPI\ApiException on non-2xx response
     * @throws \InvalidArgumentException
     * @return array of array<string,mixed>|\KlaviyoAPI\Model\GetAccounts400Response|\KlaviyoAPI\Model\GetAccounts400Response, HTTP status code, HTTP response headers (array of strings)
     */
    public function getEventWithHttpInfo($id, $fields_event = null, $fields_metric = null, $fields_profile = null, $include = null, $apiKey = null)
    {
        $request = $this->getEventRequest($id, $fields_event, $fields_metric, $fields_profile, $include, $apiKey);

        try {
            $options = $this->createHttpClientOption();
            try {
                $response = $this->client->send($request, $options);
            } catch (RequestException $e) {
                throw new ApiException(
                    "[{$e->getCode()}] {$e->getMessage()}",
                    (int) $e->getCode(),
                    $e->getResponse() ? $e->getResponse()->getHeaders() : null,
                    $e->getResponse() ? (string) $e->getResponse()->getBody() : null
                );
            } catch (ConnectException $e) {
                throw new ApiException(
                    "[{$e->getCode()}] {$e->getMessage()}",
                    (int) $e->getCode(),
                    null,
                    null
                );
            }

            $statusCode = $response->getStatusCode();

            if ($statusCode < 200 || $statusCode > 299) {
                throw new ApiException(
                    sprintf(
                        '[%d] Error connecting to the API (%s)',
                        $statusCode,
                        (string) $request->getUri()
                    ),
                    $statusCode,
                    $response->getHeaders(),
                    (string) $response->getBody()
                );
            }

            switch($statusCode) {
                case 200:
                    if ('array<string,mixed>' === '\SplFileObject') {
                        $content = $response->getBody(); //stream goes to serializer
                    } else {
                        $content = (string) $response->getBody();
                        if ('array&lt;string,mixed&gt;' !== 'string') {
                            $content = json_decode($content);
                        }
                    }


                    $parsed_content = json_decode(json_encode($content), TRUE);
                    if (json_last_error() != JSON_ERROR_NONE) {
                        $parsed_content = $content;
                    }

                    return [
                        $parsed_content,
                        $response->getStatusCode(),
                        $response->getHeaders()
                    ];
                case 400:
                    if ('\KlaviyoAPI\Model\GetAccounts400Response' === '\SplFileObject') {
                        $content = $response->getBody(); //stream goes to serializer
                    } else {
                        $content = (string) $response->getBody();
                        if ('\KlaviyoAPI\Model\GetAccounts400Response' !== 'string') {
                            $content = json_decode($content);
                        }
                    }


                    $parsed_content = json_decode(json_encode($content), TRUE);
                    if (json_last_error() != JSON_ERROR_NONE) {
                        $parsed_content = $content;
                    }

                    return [
                        $parsed_content,
                        $response->getStatusCode(),
                        $response->getHeaders()
                    ];
                case 500:
                    if ('\KlaviyoAPI\Model\GetAccounts400Response' === '\SplFileObject') {
                        $content = $response->getBody(); //stream goes to serializer
                    } else {
                        $content = (string) $response->getBody();
                        if ('\KlaviyoAPI\Model\GetAccounts400Response' !== 'string') {
                            $content = json_decode($content);
                        }
                    }


                    $parsed_content = json_decode(json_encode($content), TRUE);
                    if (json_last_error() != JSON_ERROR_NONE) {
                        $parsed_content = $content;
                    }

                    return [
                        $parsed_content,
                        $response->getStatusCode(),
                        $response->getHeaders()
                    ];
            }

            $returnType = 'array<string,mixed>';
            if ($returnType === '\SplFileObject') {
                $content = $response->getBody(); //stream goes to serializer
            } else {
                $content = (string) $response->getBody();
                if ($returnType !== 'string') {
                    $content = json_decode($content);
                }
            }

            $parsed_content = json_decode(json_encode($content), TRUE);
            if (json_last_error() != JSON_ERROR_NONE) {
                $parsed_content = $content;
            }

            return [
                $parsed_content,
                $response->getStatusCode(),
                $response->getHeaders()
            ];

        } catch (ApiException $e) {
            switch ($e->getCode()) {
                case 200:
                    $data = ObjectSerializer::deserialize(
                        $e->getResponseBody(),
                        'array<string,mixed>',
                        $e->getResponseHeaders()
                    );
                    $e->setResponseObject($data);
                    break;
                case 400:
                    $data = ObjectSerializer::deserialize(
                        $e->getResponseBody(),
                        '\KlaviyoAPI\Model\GetAccounts400Response',
                        $e->getResponseHeaders()
                    );
                    $e->setResponseObject($data);
                    break;
                case 500:
                    $data = ObjectSerializer::deserialize(
                        $e->getResponseBody(),
                        '\KlaviyoAPI\Model\GetAccounts400Response',
                        $e->getResponseHeaders()
                    );
                    $e->setResponseObject($data);
                    break;
            }
            throw $e;
        }
    }

    /**
     * Operation getEventAsync
     *
     * Get Event
     *
     * @param  string $id ID of the event (required)
     * @param  string[] $fields_event For more information please visit https://developers.klaviyo.com/en/v2025-07-15/reference/api-overview#sparse-fieldsets (optional)
     * @param  string[] $fields_metric For more information please visit https://developers.klaviyo.com/en/v2025-07-15/reference/api-overview#sparse-fieldsets (optional)
     * @param  string[] $fields_profile For more information please visit https://developers.klaviyo.com/en/v2025-07-15/reference/api-overview#sparse-fieldsets (optional)
     * @param  string[] $include For more information please visit https://developers.klaviyo.com/en/v2025-07-15/reference/api-overview#relationships (optional)
     *
     * @throws \InvalidArgumentException
     * @return \GuzzleHttp\Promise\PromiseInterface
     */
    public function getEventAsync($id, $fields_event = null, $fields_metric = null, $fields_profile = null, $include = null, $apiKey = null)
    {
        return $this->getEventAsyncWithHttpInfo($id, $fields_event, $fields_metric, $fields_profile, $include, $apiKey)
            ->then(
                function ($response) {
                    return $response[0];
                }
            );
    }

    /**
     * Operation getEventAsyncWithHttpInfo
     *
     * Get Event
     *
     * @param  string $id ID of the event (required)
     * @param  string[] $fields_event For more information please visit https://developers.klaviyo.com/en/v2025-07-15/reference/api-overview#sparse-fieldsets (optional)
     * @param  string[] $fields_metric For more information please visit https://developers.klaviyo.com/en/v2025-07-15/reference/api-overview#sparse-fieldsets (optional)
     * @param  string[] $fields_profile For more information please visit https://developers.klaviyo.com/en/v2025-07-15/reference/api-overview#sparse-fieldsets (optional)
     * @param  string[] $include For more information please visit https://developers.klaviyo.com/en/v2025-07-15/reference/api-overview#relationships (optional)
     *
     * @throws \InvalidArgumentException
     * @return \GuzzleHttp\Promise\PromiseInterface
     */
    public function getEventAsyncWithHttpInfo($id, $fields_event = null, $fields_metric = null, $fields_profile = null, $include = null, $apiKey = null)
    {
        $returnType = 'array<string,mixed>';
        $request = $this->getEventRequest($id, $fields_event, $fields_metric, $fields_profile, $include, $apiKey);

        return $this->client
            ->sendAsync($request, $this->createHttpClientOption())
            ->then(
                function ($response) use ($returnType) {
                    if ($returnType === '\SplFileObject') {
                        $content = $response->getBody(); //stream goes to serializer
                    } else {
                        $content = (string) $response->getBody();
                        if ($returnType !== 'string') {
                            $content = json_decode($content);
                        }
                    }

                    $parsed_content = json_decode(json_encode($content), TRUE);
                    if (json_last_error() != JSON_ERROR_NONE) {
                        $parsed_content = $content;
                    }

                    return [
                        $parsed_content,
                        $response->getStatusCode(),
                        $response->getHeaders()
                    ];
                },
                function ($exception) {
                    $response = $exception->getResponse();
                    $statusCode = $response->getStatusCode();
                    throw new ApiException(
                        sprintf(
                            '[%d] Error connecting to the API (%s)',
                            $statusCode,
                            $exception->getRequest()->getUri()
                        ),
                        $statusCode,
                        $response->getHeaders(),
                        (string) $response->getBody()
                    );
                }
            );
    }

    /**
     * Create request for operation 'getEvent'
     *
     * @param  string $id ID of the event (required)
     * @param  string[] $fields_event For more information please visit https://developers.klaviyo.com/en/v2025-07-15/reference/api-overview#sparse-fieldsets (optional)
     * @param  string[] $fields_metric For more information please visit https://developers.klaviyo.com/en/v2025-07-15/reference/api-overview#sparse-fieldsets (optional)
     * @param  string[] $fields_profile For more information please visit https://developers.klaviyo.com/en/v2025-07-15/reference/api-overview#sparse-fieldsets (optional)
     * @param  string[] $include For more information please visit https://developers.klaviyo.com/en/v2025-07-15/reference/api-overview#relationships (optional)
     *
     * @throws \InvalidArgumentException
     * @return \GuzzleHttp\Psr7\Request
     */
    public function getEventRequest($id, $fields_event = null, $fields_metric = null, $fields_profile = null, $include = null, $apiKey = null)
    {
        // verify the required parameter 'id' is set
        if ($id === null || (is_array($id) && count($id) === 0)) {
            throw new \InvalidArgumentException(
                'Missing the required parameter $id when calling getEvent'
            );
        }

        $resourcePath = '/api/events/{id}';
        $formParams = [];
        $queryParams = [];
        $headerParams = [];
        $httpBody = '';
        $multipart = false;

        // query params
        $queryParams = array_merge($queryParams, ObjectSerializer::toQueryValue(
            $fields_event,
            'fields[event]', // param base name
            'array', // openApiType
            'form', // style
            false, // explode
            false // required
        ) ?? []);
        // query params
        $queryParams = array_merge($queryParams, ObjectSerializer::toQueryValue(
            $fields_metric,
            'fields[metric]', // param base name
            'array', // openApiType
            'form', // style
            false, // explode
            false // required
        ) ?? []);
        // query params
        $queryParams = array_merge($queryParams, ObjectSerializer::toQueryValue(
            $fields_profile,
            'fields[profile]', // param base name
            'array', // openApiType
            'form', // style
            false, // explode
            false // required
        ) ?? []);
        // query params
        $queryParams = array_merge($queryParams, ObjectSerializer::toQueryValue(
            $include,
            'include', // param base name
            'array', // openApiType
            'form', // style
            false, // explode
            false // required
        ) ?? []);


        // path params
        if ($id !== null) {
            $resourcePath = str_replace(
                '{' . 'id' . '}',
                ObjectSerializer::toPathValue($id),
                $resourcePath
            );
        }


        if ($multipart) {
            $headers = $this->headerSelector->selectHeadersForMultipart(
                ['application/vnd.api+json']
            );
        } else {
            $headers = $this->headerSelector->selectHeaders(
                ['application/vnd.api+json'],
                []
            );
        }

        // for model (json/xml)
        if (count($formParams) > 0) {
            if ($multipart) {
                $multipartContents = [];
                foreach ($formParams as $formParamName => $formParamValue) {
                    $formParamValueItems = is_array($formParamValue) ? $formParamValue : [$formParamValue];
                    foreach ($formParamValueItems as $formParamValueItem) {
                        $multipartContents[] = [
                            'name' => $formParamName,
                            'contents' => $formParamValueItem
                        ];
                    }
                }
                // for HTTP post (form)
                $httpBody = new MultipartStream($multipartContents);

            } elseif ($headers['Content-Type'] === 'application/json' || $headers['Content-Type'] === 'application/vnd.api+json') {
                $httpBody = \GuzzleHttp\json_encode($formParams);

            } else {
                // for HTTP post (form)
                $httpBody = ObjectSerializer::buildQuery($formParams);
            }
        }

        // this endpoint requires API key authentication
        if ($apiKey == null) {
            $apiKey = $this->config->getApiKeyWithPrefix('Authorization');
        } else {
            $apiKey = 'Klaviyo-API-Key '.$apiKey;
        }

        $headers['Authorization'] = $apiKey;


        $defaultHeaders = [];
        if ($this->config->getUserAgent()) {
            $defaultHeaders['User-Agent'] = $this->config->getUserAgent();
        }

        $defaultHeaders['revision'] = ['2025-07-15'];

        $headers = array_merge(
            $defaultHeaders,
            $headerParams,
            $headers
        );

        $query = ObjectSerializer::buildQuery($queryParams);
        return new Request(
            'GET',
            $this->config->getHost() . $resourcePath . ($query ? "?{$query}" : ''),
            $headers,
            $httpBody
        );
    }

    /**
     * Operation getEvents
     *
     * Get Events
     *
     * @param  string[] $fields_event For more information please visit https://developers.klaviyo.com/en/v2025-07-15/reference/api-overview#sparse-fieldsets (optional)
     * @param  string[] $fields_metric For more information please visit https://developers.klaviyo.com/en/v2025-07-15/reference/api-overview#sparse-fieldsets (optional)
     * @param  string[] $fields_profile For more information please visit https://developers.klaviyo.com/en/v2025-07-15/reference/api-overview#sparse-fieldsets (optional)
     * @param  string $filter For more information please visit https://developers.klaviyo.com/en/v2025-07-15/reference/api-overview#filtering&lt;br&gt;Allowed field(s)/operator(s):&lt;br&gt;&#x60;metric_id&#x60;: &#x60;equals&#x60;&lt;br&gt;&#x60;profile_id&#x60;: &#x60;equals&#x60;&lt;br&gt;&#x60;profile&#x60;: &#x60;has&#x60;&lt;br&gt;&#x60;datetime&#x60;: &#x60;greater-or-equal&#x60;, &#x60;greater-than&#x60;, &#x60;less-or-equal&#x60;, &#x60;less-than&#x60;&lt;br&gt;&#x60;timestamp&#x60;: &#x60;greater-or-equal&#x60;, &#x60;greater-than&#x60;, &#x60;less-or-equal&#x60;, &#x60;less-than&#x60; (optional)
     * @param  string[] $include For more information please visit https://developers.klaviyo.com/en/v2025-07-15/reference/api-overview#relationships (optional)
     * @param  string $page_cursor For more information please visit https://developers.klaviyo.com/en/v2025-07-15/reference/api-overview#pagination (optional)
     * @param  string $sort For more information please visit https://developers.klaviyo.com/en/v2025-07-15/reference/api-overview#sorting (optional)
     *
     * @throws \KlaviyoAPI\ApiException on non-2xx response
     * @throws \InvalidArgumentException
     * @return array<string,mixed>|\KlaviyoAPI\Model\GetAccounts400Response|\KlaviyoAPI\Model\GetAccounts400Response
     */
    public function getEvents($fields_event = null, $fields_metric = null, $fields_profile = null, $filter = null, $include = null, $page_cursor = null, $sort = null, $apiKey = null)
    {
        list($response) = $this->getEventsWithHttpInfo($fields_event, $fields_metric, $fields_profile, $filter, $include, $page_cursor, $sort, $apiKey);
        return $response;
    }

    /**
     * Operation getEventsWithHttpInfo
     *
     * Get Events
     *
     * @param  string[] $fields_event For more information please visit https://developers.klaviyo.com/en/v2025-07-15/reference/api-overview#sparse-fieldsets (optional)
     * @param  string[] $fields_metric For more information please visit https://developers.klaviyo.com/en/v2025-07-15/reference/api-overview#sparse-fieldsets (optional)
     * @param  string[] $fields_profile For more information please visit https://developers.klaviyo.com/en/v2025-07-15/reference/api-overview#sparse-fieldsets (optional)
     * @param  string $filter For more information please visit https://developers.klaviyo.com/en/v2025-07-15/reference/api-overview#filtering&lt;br&gt;Allowed field(s)/operator(s):&lt;br&gt;&#x60;metric_id&#x60;: &#x60;equals&#x60;&lt;br&gt;&#x60;profile_id&#x60;: &#x60;equals&#x60;&lt;br&gt;&#x60;profile&#x60;: &#x60;has&#x60;&lt;br&gt;&#x60;datetime&#x60;: &#x60;greater-or-equal&#x60;, &#x60;greater-than&#x60;, &#x60;less-or-equal&#x60;, &#x60;less-than&#x60;&lt;br&gt;&#x60;timestamp&#x60;: &#x60;greater-or-equal&#x60;, &#x60;greater-than&#x60;, &#x60;less-or-equal&#x60;, &#x60;less-than&#x60; (optional)
     * @param  string[] $include For more information please visit https://developers.klaviyo.com/en/v2025-07-15/reference/api-overview#relationships (optional)
     * @param  string $page_cursor For more information please visit https://developers.klaviyo.com/en/v2025-07-15/reference/api-overview#pagination (optional)
     * @param  string $sort For more information please visit https://developers.klaviyo.com/en/v2025-07-15/reference/api-overview#sorting (optional)
     *
     * @throws \KlaviyoAPI\ApiException on non-2xx response
     * @throws \InvalidArgumentException
     * @return array of array<string,mixed>|\KlaviyoAPI\Model\GetAccounts400Response|\KlaviyoAPI\Model\GetAccounts400Response, HTTP status code, HTTP response headers (array of strings)
     */
    public function getEventsWithHttpInfo($fields_event = null, $fields_metric = null, $fields_profile = null, $filter = null, $include = null, $page_cursor = null, $sort = null, $apiKey = null)
    {
        $request = $this->getEventsRequest($fields_event, $fields_metric, $fields_profile, $filter, $include, $page_cursor, $sort, $apiKey);

        try {
            $options = $this->createHttpClientOption();
            try {
                $response = $this->client->send($request, $options);
            } catch (RequestException $e) {
                throw new ApiException(
                    "[{$e->getCode()}] {$e->getMessage()}",
                    (int) $e->getCode(),
                    $e->getResponse() ? $e->getResponse()->getHeaders() : null,
                    $e->getResponse() ? (string) $e->getResponse()->getBody() : null
                );
            } catch (ConnectException $e) {
                throw new ApiException(
                    "[{$e->getCode()}] {$e->getMessage()}",
                    (int) $e->getCode(),
                    null,
                    null
                );
            }

            $statusCode = $response->getStatusCode();

            if ($statusCode < 200 || $statusCode > 299) {
                throw new ApiException(
                    sprintf(
                        '[%d] Error connecting to the API (%s)',
                        $statusCode,
                        (string) $request->getUri()
                    ),
                    $statusCode,
                    $response->getHeaders(),
                    (string) $response->getBody()
                );
            }

            switch($statusCode) {
                case 200:
                    if ('array<string,mixed>' === '\SplFileObject') {
                        $content = $response->getBody(); //stream goes to serializer
                    } else {
                        $content = (string) $response->getBody();
                        if ('array&lt;string,mixed&gt;' !== 'string') {
                            $content = json_decode($content);
                        }
                    }


                    $parsed_content = json_decode(json_encode($content), TRUE);
                    if (json_last_error() != JSON_ERROR_NONE) {
                        $parsed_content = $content;
                    }

                    return [
                        $parsed_content,
                        $response->getStatusCode(),
                        $response->getHeaders()
                    ];
                case 400:
                    if ('\KlaviyoAPI\Model\GetAccounts400Response' === '\SplFileObject') {
                        $content = $response->getBody(); //stream goes to serializer
                    } else {
                        $content = (string) $response->getBody();
                        if ('\KlaviyoAPI\Model\GetAccounts400Response' !== 'string') {
                            $content = json_decode($content);
                        }
                    }


                    $parsed_content = json_decode(json_encode($content), TRUE);
                    if (json_last_error() != JSON_ERROR_NONE) {
                        $parsed_content = $content;
                    }

                    return [
                        $parsed_content,
                        $response->getStatusCode(),
                        $response->getHeaders()
                    ];
                case 500:
                    if ('\KlaviyoAPI\Model\GetAccounts400Response' === '\SplFileObject') {
                        $content = $response->getBody(); //stream goes to serializer
                    } else {
                        $content = (string) $response->getBody();
                        if ('\KlaviyoAPI\Model\GetAccounts400Response' !== 'string') {
                            $content = json_decode($content);
                        }
                    }


                    $parsed_content = json_decode(json_encode($content), TRUE);
                    if (json_last_error() != JSON_ERROR_NONE) {
                        $parsed_content = $content;
                    }

                    return [
                        $parsed_content,
                        $response->getStatusCode(),
                        $response->getHeaders()
                    ];
            }

            $returnType = 'array<string,mixed>';
            if ($returnType === '\SplFileObject') {
                $content = $response->getBody(); //stream goes to serializer
            } else {
                $content = (string) $response->getBody();
                if ($returnType !== 'string') {
                    $content = json_decode($content);
                }
            }

            $parsed_content = json_decode(json_encode($content), TRUE);
            if (json_last_error() != JSON_ERROR_NONE) {
                $parsed_content = $content;
            }

            return [
                $parsed_content,
                $response->getStatusCode(),
                $response->getHeaders()
            ];

        } catch (ApiException $e) {
            switch ($e->getCode()) {
                case 200:
                    $data = ObjectSerializer::deserialize(
                        $e->getResponseBody(),
                        'array<string,mixed>',
                        $e->getResponseHeaders()
                    );
                    $e->setResponseObject($data);
                    break;
                case 400:
                    $data = ObjectSerializer::deserialize(
                        $e->getResponseBody(),
                        '\KlaviyoAPI\Model\GetAccounts400Response',
                        $e->getResponseHeaders()
                    );
                    $e->setResponseObject($data);
                    break;
                case 500:
                    $data = ObjectSerializer::deserialize(
                        $e->getResponseBody(),
                        '\KlaviyoAPI\Model\GetAccounts400Response',
                        $e->getResponseHeaders()
                    );
                    $e->setResponseObject($data);
                    break;
            }
            throw $e;
        }
    }

    /**
     * Operation getEventsAsync
     *
     * Get Events
     *
     * @param  string[] $fields_event For more information please visit https://developers.klaviyo.com/en/v2025-07-15/reference/api-overview#sparse-fieldsets (optional)
     * @param  string[] $fields_metric For more information please visit https://developers.klaviyo.com/en/v2025-07-15/reference/api-overview#sparse-fieldsets (optional)
     * @param  string[] $fields_profile For more information please visit https://developers.klaviyo.com/en/v2025-07-15/reference/api-overview#sparse-fieldsets (optional)
     * @param  string $filter For more information please visit https://developers.klaviyo.com/en/v2025-07-15/reference/api-overview#filtering&lt;br&gt;Allowed field(s)/operator(s):&lt;br&gt;&#x60;metric_id&#x60;: &#x60;equals&#x60;&lt;br&gt;&#x60;profile_id&#x60;: &#x60;equals&#x60;&lt;br&gt;&#x60;profile&#x60;: &#x60;has&#x60;&lt;br&gt;&#x60;datetime&#x60;: &#x60;greater-or-equal&#x60;, &#x60;greater-than&#x60;, &#x60;less-or-equal&#x60;, &#x60;less-than&#x60;&lt;br&gt;&#x60;timestamp&#x60;: &#x60;greater-or-equal&#x60;, &#x60;greater-than&#x60;, &#x60;less-or-equal&#x60;, &#x60;less-than&#x60; (optional)
     * @param  string[] $include For more information please visit https://developers.klaviyo.com/en/v2025-07-15/reference/api-overview#relationships (optional)
     * @param  string $page_cursor For more information please visit https://developers.klaviyo.com/en/v2025-07-15/reference/api-overview#pagination (optional)
     * @param  string $sort For more information please visit https://developers.klaviyo.com/en/v2025-07-15/reference/api-overview#sorting (optional)
     *
     * @throws \InvalidArgumentException
     * @return \GuzzleHttp\Promise\PromiseInterface
     */
    public function getEventsAsync($fields_event = null, $fields_metric = null, $fields_profile = null, $filter = null, $include = null, $page_cursor = null, $sort = null, $apiKey = null)
    {
        return $this->getEventsAsyncWithHttpInfo($fields_event, $fields_metric, $fields_profile, $filter, $include, $page_cursor, $sort, $apiKey)
            ->then(
                function ($response) {
                    return $response[0];
                }
            );
    }

    /**
     * Operation getEventsAsyncWithHttpInfo
     *
     * Get Events
     *
     * @param  string[] $fields_event For more information please visit https://developers.klaviyo.com/en/v2025-07-15/reference/api-overview#sparse-fieldsets (optional)
     * @param  string[] $fields_metric For more information please visit https://developers.klaviyo.com/en/v2025-07-15/reference/api-overview#sparse-fieldsets (optional)
     * @param  string[] $fields_profile For more information please visit https://developers.klaviyo.com/en/v2025-07-15/reference/api-overview#sparse-fieldsets (optional)
     * @param  string $filter For more information please visit https://developers.klaviyo.com/en/v2025-07-15/reference/api-overview#filtering&lt;br&gt;Allowed field(s)/operator(s):&lt;br&gt;&#x60;metric_id&#x60;: &#x60;equals&#x60;&lt;br&gt;&#x60;profile_id&#x60;: &#x60;equals&#x60;&lt;br&gt;&#x60;profile&#x60;: &#x60;has&#x60;&lt;br&gt;&#x60;datetime&#x60;: &#x60;greater-or-equal&#x60;, &#x60;greater-than&#x60;, &#x60;less-or-equal&#x60;, &#x60;less-than&#x60;&lt;br&gt;&#x60;timestamp&#x60;: &#x60;greater-or-equal&#x60;, &#x60;greater-than&#x60;, &#x60;less-or-equal&#x60;, &#x60;less-than&#x60; (optional)
     * @param  string[] $include For more information please visit https://developers.klaviyo.com/en/v2025-07-15/reference/api-overview#relationships (optional)
     * @param  string $page_cursor For more information please visit https://developers.klaviyo.com/en/v2025-07-15/reference/api-overview#pagination (optional)
     * @param  string $sort For more information please visit https://developers.klaviyo.com/en/v2025-07-15/reference/api-overview#sorting (optional)
     *
     * @throws \InvalidArgumentException
     * @return \GuzzleHttp\Promise\PromiseInterface
     */
    public function getEventsAsyncWithHttpInfo($fields_event = null, $fields_metric = null, $fields_profile = null, $filter = null, $include = null, $page_cursor = null, $sort = null, $apiKey = null)
    {
        $returnType = 'array<string,mixed>';
        $request = $this->getEventsRequest($fields_event, $fields_metric, $fields_profile, $filter, $include, $page_cursor, $sort, $apiKey);

        return $this->client
            ->sendAsync($request, $this->createHttpClientOption())
            ->then(
                function ($response) use ($returnType) {
                    if ($returnType === '\SplFileObject') {
                        $content = $response->getBody(); //stream goes to serializer
                    } else {
                        $content = (string) $response->getBody();
                        if ($returnType !== 'string') {
                            $content = json_decode($content);
                        }
                    }

                    $parsed_content = json_decode(json_encode($content), TRUE);
                    if (json_last_error() != JSON_ERROR_NONE) {
                        $parsed_content = $content;
                    }

                    return [
                        $parsed_content,
                        $response->getStatusCode(),
                        $response->getHeaders()
                    ];
                },
                function ($exception) {
                    $response = $exception->getResponse();
                    $statusCode = $response->getStatusCode();
                    throw new ApiException(
                        sprintf(
                            '[%d] Error connecting to the API (%s)',
                            $statusCode,
                            $exception->getRequest()->getUri()
                        ),
                        $statusCode,
                        $response->getHeaders(),
                        (string) $response->getBody()
                    );
                }
            );
    }

    /**
     * Create request for operation 'getEvents'
     *
     * @param  string[] $fields_event For more information please visit https://developers.klaviyo.com/en/v2025-07-15/reference/api-overview#sparse-fieldsets (optional)
     * @param  string[] $fields_metric For more information please visit https://developers.klaviyo.com/en/v2025-07-15/reference/api-overview#sparse-fieldsets (optional)
     * @param  string[] $fields_profile For more information please visit https://developers.klaviyo.com/en/v2025-07-15/reference/api-overview#sparse-fieldsets (optional)
     * @param  string $filter For more information please visit https://developers.klaviyo.com/en/v2025-07-15/reference/api-overview#filtering&lt;br&gt;Allowed field(s)/operator(s):&lt;br&gt;&#x60;metric_id&#x60;: &#x60;equals&#x60;&lt;br&gt;&#x60;profile_id&#x60;: &#x60;equals&#x60;&lt;br&gt;&#x60;profile&#x60;: &#x60;has&#x60;&lt;br&gt;&#x60;datetime&#x60;: &#x60;greater-or-equal&#x60;, &#x60;greater-than&#x60;, &#x60;less-or-equal&#x60;, &#x60;less-than&#x60;&lt;br&gt;&#x60;timestamp&#x60;: &#x60;greater-or-equal&#x60;, &#x60;greater-than&#x60;, &#x60;less-or-equal&#x60;, &#x60;less-than&#x60; (optional)
     * @param  string[] $include For more information please visit https://developers.klaviyo.com/en/v2025-07-15/reference/api-overview#relationships (optional)
     * @param  string $page_cursor For more information please visit https://developers.klaviyo.com/en/v2025-07-15/reference/api-overview#pagination (optional)
     * @param  string $sort For more information please visit https://developers.klaviyo.com/en/v2025-07-15/reference/api-overview#sorting (optional)
     *
     * @throws \InvalidArgumentException
     * @return \GuzzleHttp\Psr7\Request
     */
    public function getEventsRequest($fields_event = null, $fields_metric = null, $fields_profile = null, $filter = null, $include = null, $page_cursor = null, $sort = null, $apiKey = null)
    {

        $resourcePath = '/api/events';
        $formParams = [];
        $queryParams = [];
        $headerParams = [];
        $httpBody = '';
        $multipart = false;

        // query params
        $queryParams = array_merge($queryParams, ObjectSerializer::toQueryValue(
            $fields_event,
            'fields[event]', // param base name
            'array', // openApiType
            'form', // style
            false, // explode
            false // required
        ) ?? []);
        // query params
        $queryParams = array_merge($queryParams, ObjectSerializer::toQueryValue(
            $fields_metric,
            'fields[metric]', // param base name
            'array', // openApiType
            'form', // style
            false, // explode
            false // required
        ) ?? []);
        // query params
        $queryParams = array_merge($queryParams, ObjectSerializer::toQueryValue(
            $fields_profile,
            'fields[profile]', // param base name
            'array', // openApiType
            'form', // style
            false, // explode
            false // required
        ) ?? []);
        // query params
        $queryParams = array_merge($queryParams, ObjectSerializer::toQueryValue(
            $filter,
            'filter', // param base name
            'string', // openApiType
            'form', // style
            true, // explode
            false // required
        ) ?? []);
        // query params
        $queryParams = array_merge($queryParams, ObjectSerializer::toQueryValue(
            $include,
            'include', // param base name
            'array', // openApiType
            'form', // style
            false, // explode
            false // required
        ) ?? []);
        // query params
        $queryParams = array_merge($queryParams, ObjectSerializer::toQueryValue(
            $page_cursor,
            'page[cursor]', // param base name
            'string', // openApiType
            'form', // style
            true, // explode
            false // required
        ) ?? []);
        // query params
        $queryParams = array_merge($queryParams, ObjectSerializer::toQueryValue(
            $sort,
            'sort', // param base name
            'string', // openApiType
            'form', // style
            true, // explode
            false // required
        ) ?? []);


        if ($multipart) {
            $headers = $this->headerSelector->selectHeadersForMultipart(
                ['application/vnd.api+json']
            );
        } else {
            $headers = $this->headerSelector->selectHeaders(
                ['application/vnd.api+json'],
                []
            );
        }

        // for model (json/xml)
        if (count($formParams) > 0) {
            if ($multipart) {
                $multipartContents = [];
                foreach ($formParams as $formParamName => $formParamValue) {
                    $formParamValueItems = is_array($formParamValue) ? $formParamValue : [$formParamValue];
                    foreach ($formParamValueItems as $formParamValueItem) {
                        $multipartContents[] = [
                            'name' => $formParamName,
                            'contents' => $formParamValueItem
                        ];
                    }
                }
                // for HTTP post (form)
                $httpBody = new MultipartStream($multipartContents);

            } elseif ($headers['Content-Type'] === 'application/json' || $headers['Content-Type'] === 'application/vnd.api+json') {
                $httpBody = \GuzzleHttp\json_encode($formParams);

            } else {
                // for HTTP post (form)
                $httpBody = ObjectSerializer::buildQuery($formParams);
            }
        }

        // this endpoint requires API key authentication
        if ($apiKey == null) {
            $apiKey = $this->config->getApiKeyWithPrefix('Authorization');
        } else {
            $apiKey = 'Klaviyo-API-Key '.$apiKey;
        }

        $headers['Authorization'] = $apiKey;


        $defaultHeaders = [];
        if ($this->config->getUserAgent()) {
            $defaultHeaders['User-Agent'] = $this->config->getUserAgent();
        }

        $defaultHeaders['revision'] = ['2025-07-15'];

        $headers = array_merge(
            $defaultHeaders,
            $headerParams,
            $headers
        );

        $query = ObjectSerializer::buildQuery($queryParams);
        return new Request(
            'GET',
            $this->config->getHost() . $resourcePath . ($query ? "?{$query}" : ''),
            $headers,
            $httpBody
        );
    }

    /**
     * Operation getMetricForEvent
     *
     * Get Metric for Event
     *
     * @param  string $id ID of the event (required)
     * @param  string[] $fields_metric For more information please visit https://developers.klaviyo.com/en/v2025-07-15/reference/api-overview#sparse-fieldsets (optional)
     *
     * @throws \KlaviyoAPI\ApiException on non-2xx response
     * @throws \InvalidArgumentException
     * @return array<string,mixed>|\KlaviyoAPI\Model\GetAccounts400Response|\KlaviyoAPI\Model\GetAccounts400Response
     */
    public function getMetricForEvent($id, $fields_metric = null, $apiKey = null)
    {
        list($response) = $this->getMetricForEventWithHttpInfo($id, $fields_metric, $apiKey);
        return $response;
    }

    /**
     * Alias of `getMetricForEvent`
     *
     * @deprecated use `getMetricForEvent` instead
     */
    public function getEventMetric(...$args) {
        return $this->getMetricForEvent(...$args);
    }

    /**
     * Operation getMetricForEventWithHttpInfo
     *
     * Get Metric for Event
     *
     * @param  string $id ID of the event (required)
     * @param  string[] $fields_metric For more information please visit https://developers.klaviyo.com/en/v2025-07-15/reference/api-overview#sparse-fieldsets (optional)
     *
     * @throws \KlaviyoAPI\ApiException on non-2xx response
     * @throws \InvalidArgumentException
     * @return array of array<string,mixed>|\KlaviyoAPI\Model\GetAccounts400Response|\KlaviyoAPI\Model\GetAccounts400Response, HTTP status code, HTTP response headers (array of strings)
     */
    public function getMetricForEventWithHttpInfo($id, $fields_metric = null, $apiKey = null)
    {
        $request = $this->getMetricForEventRequest($id, $fields_metric, $apiKey);

        try {
            $options = $this->createHttpClientOption();
            try {
                $response = $this->client->send($request, $options);
            } catch (RequestException $e) {
                throw new ApiException(
                    "[{$e->getCode()}] {$e->getMessage()}",
                    (int) $e->getCode(),
                    $e->getResponse() ? $e->getResponse()->getHeaders() : null,
                    $e->getResponse() ? (string) $e->getResponse()->getBody() : null
                );
            } catch (ConnectException $e) {
                throw new ApiException(
                    "[{$e->getCode()}] {$e->getMessage()}",
                    (int) $e->getCode(),
                    null,
                    null
                );
            }

            $statusCode = $response->getStatusCode();

            if ($statusCode < 200 || $statusCode > 299) {
                throw new ApiException(
                    sprintf(
                        '[%d] Error connecting to the API (%s)',
                        $statusCode,
                        (string) $request->getUri()
                    ),
                    $statusCode,
                    $response->getHeaders(),
                    (string) $response->getBody()
                );
            }

            switch($statusCode) {
                case 200:
                    if ('array<string,mixed>' === '\SplFileObject') {
                        $content = $response->getBody(); //stream goes to serializer
                    } else {
                        $content = (string) $response->getBody();
                        if ('array&lt;string,mixed&gt;' !== 'string') {
                            $content = json_decode($content);
                        }
                    }


                    $parsed_content = json_decode(json_encode($content), TRUE);
                    if (json_last_error() != JSON_ERROR_NONE) {
                        $parsed_content = $content;
                    }

                    return [
                        $parsed_content,
                        $response->getStatusCode(),
                        $response->getHeaders()
                    ];
                case 400:
                    if ('\KlaviyoAPI\Model\GetAccounts400Response' === '\SplFileObject') {
                        $content = $response->getBody(); //stream goes to serializer
                    } else {
                        $content = (string) $response->getBody();
                        if ('\KlaviyoAPI\Model\GetAccounts400Response' !== 'string') {
                            $content = json_decode($content);
                        }
                    }


                    $parsed_content = json_decode(json_encode($content), TRUE);
                    if (json_last_error() != JSON_ERROR_NONE) {
                        $parsed_content = $content;
                    }

                    return [
                        $parsed_content,
                        $response->getStatusCode(),
                        $response->getHeaders()
                    ];
                case 500:
                    if ('\KlaviyoAPI\Model\GetAccounts400Response' === '\SplFileObject') {
                        $content = $response->getBody(); //stream goes to serializer
                    } else {
                        $content = (string) $response->getBody();
                        if ('\KlaviyoAPI\Model\GetAccounts400Response' !== 'string') {
                            $content = json_decode($content);
                        }
                    }


                    $parsed_content = json_decode(json_encode($content), TRUE);
                    if (json_last_error() != JSON_ERROR_NONE) {
                        $parsed_content = $content;
                    }

                    return [
                        $parsed_content,
                        $response->getStatusCode(),
                        $response->getHeaders()
                    ];
            }

            $returnType = 'array<string,mixed>';
            if ($returnType === '\SplFileObject') {
                $content = $response->getBody(); //stream goes to serializer
            } else {
                $content = (string) $response->getBody();
                if ($returnType !== 'string') {
                    $content = json_decode($content);
                }
            }

            $parsed_content = json_decode(json_encode($content), TRUE);
            if (json_last_error() != JSON_ERROR_NONE) {
                $parsed_content = $content;
            }

            return [
                $parsed_content,
                $response->getStatusCode(),
                $response->getHeaders()
            ];

        } catch (ApiException $e) {
            switch ($e->getCode()) {
                case 200:
                    $data = ObjectSerializer::deserialize(
                        $e->getResponseBody(),
                        'array<string,mixed>',
                        $e->getResponseHeaders()
                    );
                    $e->setResponseObject($data);
                    break;
                case 400:
                    $data = ObjectSerializer::deserialize(
                        $e->getResponseBody(),
                        '\KlaviyoAPI\Model\GetAccounts400Response',
                        $e->getResponseHeaders()
                    );
                    $e->setResponseObject($data);
                    break;
                case 500:
                    $data = ObjectSerializer::deserialize(
                        $e->getResponseBody(),
                        '\KlaviyoAPI\Model\GetAccounts400Response',
                        $e->getResponseHeaders()
                    );
                    $e->setResponseObject($data);
                    break;
            }
            throw $e;
        }
    }

    /**
     * Alias of `getMetricForEventWithHttpInfo`
     *
     * @deprecated use `getMetricForEventWithHttpInfo` instead
     */
    public function getEventMetricWithHttpInfo(...$args) {
        return $this->getMetricForEventWithHttpInfo(...$args);
    }

    /**
     * Operation getMetricForEventAsync
     *
     * Get Metric for Event
     *
     * @param  string $id ID of the event (required)
     * @param  string[] $fields_metric For more information please visit https://developers.klaviyo.com/en/v2025-07-15/reference/api-overview#sparse-fieldsets (optional)
     *
     * @throws \InvalidArgumentException
     * @return \GuzzleHttp\Promise\PromiseInterface
     */
    public function getMetricForEventAsync($id, $fields_metric = null, $apiKey = null)
    {
        return $this->getMetricForEventAsyncWithHttpInfo($id, $fields_metric, $apiKey)
            ->then(
                function ($response) {
                    return $response[0];
                }
            );
    }

    /**
     * Alias of `getMetricForEventAsync`
     *
     * @deprecated use `getMetricForEventAsync` instead
     */
    public function getEventMetricAsync(...$args) {
        return $this->getMetricForEventAsync(...$args);
    }

    /**
     * Operation getMetricForEventAsyncWithHttpInfo
     *
     * Get Metric for Event
     *
     * @param  string $id ID of the event (required)
     * @param  string[] $fields_metric For more information please visit https://developers.klaviyo.com/en/v2025-07-15/reference/api-overview#sparse-fieldsets (optional)
     *
     * @throws \InvalidArgumentException
     * @return \GuzzleHttp\Promise\PromiseInterface
     */
    public function getMetricForEventAsyncWithHttpInfo($id, $fields_metric = null, $apiKey = null)
    {
        $returnType = 'array<string,mixed>';
        $request = $this->getMetricForEventRequest($id, $fields_metric, $apiKey);

        return $this->client
            ->sendAsync($request, $this->createHttpClientOption())
            ->then(
                function ($response) use ($returnType) {
                    if ($returnType === '\SplFileObject') {
                        $content = $response->getBody(); //stream goes to serializer
                    } else {
                        $content = (string) $response->getBody();
                        if ($returnType !== 'string') {
                            $content = json_decode($content);
                        }
                    }

                    $parsed_content = json_decode(json_encode($content), TRUE);
                    if (json_last_error() != JSON_ERROR_NONE) {
                        $parsed_content = $content;
                    }

                    return [
                        $parsed_content,
                        $response->getStatusCode(),
                        $response->getHeaders()
                    ];
                },
                function ($exception) {
                    $response = $exception->getResponse();
                    $statusCode = $response->getStatusCode();
                    throw new ApiException(
                        sprintf(
                            '[%d] Error connecting to the API (%s)',
                            $statusCode,
                            $exception->getRequest()->getUri()
                        ),
                        $statusCode,
                        $response->getHeaders(),
                        (string) $response->getBody()
                    );
                }
            );
    }

    /**
     * Alias of `getMetricForEventAsyncWithHttpInfo`
     *
     * @deprecated use `getMetricForEventAsyncWithHttpInfo` instead
     */
    public function getEventMetricAsyncWithHttpInfo(...$args) {
        return $this->getMetricForEventAsyncWithHttpInfo(...$args);
    }

    /**
     * Create request for operation 'getMetricForEvent'
     *
     * @param  string $id ID of the event (required)
     * @param  string[] $fields_metric For more information please visit https://developers.klaviyo.com/en/v2025-07-15/reference/api-overview#sparse-fieldsets (optional)
     *
     * @throws \InvalidArgumentException
     * @return \GuzzleHttp\Psr7\Request
     */
    public function getMetricForEventRequest($id, $fields_metric = null, $apiKey = null)
    {
        // verify the required parameter 'id' is set
        if ($id === null || (is_array($id) && count($id) === 0)) {
            throw new \InvalidArgumentException(
                'Missing the required parameter $id when calling getMetricForEvent'
            );
        }

        $resourcePath = '/api/events/{id}/metric';
        $formParams = [];
        $queryParams = [];
        $headerParams = [];
        $httpBody = '';
        $multipart = false;

        // query params
        $queryParams = array_merge($queryParams, ObjectSerializer::toQueryValue(
            $fields_metric,
            'fields[metric]', // param base name
            'array', // openApiType
            'form', // style
            false, // explode
            false // required
        ) ?? []);


        // path params
        if ($id !== null) {
            $resourcePath = str_replace(
                '{' . 'id' . '}',
                ObjectSerializer::toPathValue($id),
                $resourcePath
            );
        }


        if ($multipart) {
            $headers = $this->headerSelector->selectHeadersForMultipart(
                ['application/vnd.api+json']
            );
        } else {
            $headers = $this->headerSelector->selectHeaders(
                ['application/vnd.api+json'],
                []
            );
        }

        // for model (json/xml)
        if (count($formParams) > 0) {
            if ($multipart) {
                $multipartContents = [];
                foreach ($formParams as $formParamName => $formParamValue) {
                    $formParamValueItems = is_array($formParamValue) ? $formParamValue : [$formParamValue];
                    foreach ($formParamValueItems as $formParamValueItem) {
                        $multipartContents[] = [
                            'name' => $formParamName,
                            'contents' => $formParamValueItem
                        ];
                    }
                }
                // for HTTP post (form)
                $httpBody = new MultipartStream($multipartContents);

            } elseif ($headers['Content-Type'] === 'application/json' || $headers['Content-Type'] === 'application/vnd.api+json') {
                $httpBody = \GuzzleHttp\json_encode($formParams);

            } else {
                // for HTTP post (form)
                $httpBody = ObjectSerializer::buildQuery($formParams);
            }
        }

        // this endpoint requires API key authentication
        if ($apiKey == null) {
            $apiKey = $this->config->getApiKeyWithPrefix('Authorization');
        } else {
            $apiKey = 'Klaviyo-API-Key '.$apiKey;
        }

        $headers['Authorization'] = $apiKey;


        $defaultHeaders = [];
        if ($this->config->getUserAgent()) {
            $defaultHeaders['User-Agent'] = $this->config->getUserAgent();
        }

        $defaultHeaders['revision'] = ['2025-07-15'];

        $headers = array_merge(
            $defaultHeaders,
            $headerParams,
            $headers
        );

        $query = ObjectSerializer::buildQuery($queryParams);
        return new Request(
            'GET',
            $this->config->getHost() . $resourcePath . ($query ? "?{$query}" : ''),
            $headers,
            $httpBody
        );
    }

    /**
     * Alias of `getMetricForEventRequest`
     *
     * @deprecated use `getMetricForEventRequest` instead
     */
    public function getEventMetricRequest(...$args) {
        return $this->getMetricForEventRequest(...$args);
    }

    /**
     * Operation getMetricIdForEvent
     *
     * Get Metric ID for Event
     *
     * @param  string $id ID of the event (required)
     *
     * @throws \KlaviyoAPI\ApiException on non-2xx response
     * @throws \InvalidArgumentException
     * @return array<string,mixed>|\KlaviyoAPI\Model\GetAccounts400Response|\KlaviyoAPI\Model\GetAccounts400Response
     */
    public function getMetricIdForEvent($id, $apiKey = null)
    {
        list($response) = $this->getMetricIdForEventWithHttpInfo($id, $apiKey);
        return $response;
    }

    /**
     * Alias of `getMetricIdForEvent`
     *
     * @deprecated use `getMetricIdForEvent` instead
     */
    public function getEventRelationshipsMetric(...$args) {
        return $this->getMetricIdForEvent(...$args);
    }

    /**
     * Operation getMetricIdForEventWithHttpInfo
     *
     * Get Metric ID for Event
     *
     * @param  string $id ID of the event (required)
     *
     * @throws \KlaviyoAPI\ApiException on non-2xx response
     * @throws \InvalidArgumentException
     * @return array of array<string,mixed>|\KlaviyoAPI\Model\GetAccounts400Response|\KlaviyoAPI\Model\GetAccounts400Response, HTTP status code, HTTP response headers (array of strings)
     */
    public function getMetricIdForEventWithHttpInfo($id, $apiKey = null)
    {
        $request = $this->getMetricIdForEventRequest($id, $apiKey);

        try {
            $options = $this->createHttpClientOption();
            try {
                $response = $this->client->send($request, $options);
            } catch (RequestException $e) {
                throw new ApiException(
                    "[{$e->getCode()}] {$e->getMessage()}",
                    (int) $e->getCode(),
                    $e->getResponse() ? $e->getResponse()->getHeaders() : null,
                    $e->getResponse() ? (string) $e->getResponse()->getBody() : null
                );
            } catch (ConnectException $e) {
                throw new ApiException(
                    "[{$e->getCode()}] {$e->getMessage()}",
                    (int) $e->getCode(),
                    null,
                    null
                );
            }

            $statusCode = $response->getStatusCode();

            if ($statusCode < 200 || $statusCode > 299) {
                throw new ApiException(
                    sprintf(
                        '[%d] Error connecting to the API (%s)',
                        $statusCode,
                        (string) $request->getUri()
                    ),
                    $statusCode,
                    $response->getHeaders(),
                    (string) $response->getBody()
                );
            }

            switch($statusCode) {
                case 200:
                    if ('array<string,mixed>' === '\SplFileObject') {
                        $content = $response->getBody(); //stream goes to serializer
                    } else {
                        $content = (string) $response->getBody();
                        if ('array&lt;string,mixed&gt;' !== 'string') {
                            $content = json_decode($content);
                        }
                    }


                    $parsed_content = json_decode(json_encode($content), TRUE);
                    if (json_last_error() != JSON_ERROR_NONE) {
                        $parsed_content = $content;
                    }

                    return [
                        $parsed_content,
                        $response->getStatusCode(),
                        $response->getHeaders()
                    ];
                case 400:
                    if ('\KlaviyoAPI\Model\GetAccounts400Response' === '\SplFileObject') {
                        $content = $response->getBody(); //stream goes to serializer
                    } else {
                        $content = (string) $response->getBody();
                        if ('\KlaviyoAPI\Model\GetAccounts400Response' !== 'string') {
                            $content = json_decode($content);
                        }
                    }


                    $parsed_content = json_decode(json_encode($content), TRUE);
                    if (json_last_error() != JSON_ERROR_NONE) {
                        $parsed_content = $content;
                    }

                    return [
                        $parsed_content,
                        $response->getStatusCode(),
                        $response->getHeaders()
                    ];
                case 500:
                    if ('\KlaviyoAPI\Model\GetAccounts400Response' === '\SplFileObject') {
                        $content = $response->getBody(); //stream goes to serializer
                    } else {
                        $content = (string) $response->getBody();
                        if ('\KlaviyoAPI\Model\GetAccounts400Response' !== 'string') {
                            $content = json_decode($content);
                        }
                    }


                    $parsed_content = json_decode(json_encode($content), TRUE);
                    if (json_last_error() != JSON_ERROR_NONE) {
                        $parsed_content = $content;
                    }

                    return [
                        $parsed_content,
                        $response->getStatusCode(),
                        $response->getHeaders()
                    ];
            }

            $returnType = 'array<string,mixed>';
            if ($returnType === '\SplFileObject') {
                $content = $response->getBody(); //stream goes to serializer
            } else {
                $content = (string) $response->getBody();
                if ($returnType !== 'string') {
                    $content = json_decode($content);
                }
            }

            $parsed_content = json_decode(json_encode($content), TRUE);
            if (json_last_error() != JSON_ERROR_NONE) {
                $parsed_content = $content;
            }

            return [
                $parsed_content,
                $response->getStatusCode(),
                $response->getHeaders()
            ];

        } catch (ApiException $e) {
            switch ($e->getCode()) {
                case 200:
                    $data = ObjectSerializer::deserialize(
                        $e->getResponseBody(),
                        'array<string,mixed>',
                        $e->getResponseHeaders()
                    );
                    $e->setResponseObject($data);
                    break;
                case 400:
                    $data = ObjectSerializer::deserialize(
                        $e->getResponseBody(),
                        '\KlaviyoAPI\Model\GetAccounts400Response',
                        $e->getResponseHeaders()
                    );
                    $e->setResponseObject($data);
                    break;
                case 500:
                    $data = ObjectSerializer::deserialize(
                        $e->getResponseBody(),
                        '\KlaviyoAPI\Model\GetAccounts400Response',
                        $e->getResponseHeaders()
                    );
                    $e->setResponseObject($data);
                    break;
            }
            throw $e;
        }
    }

    /**
     * Alias of `getMetricIdForEventWithHttpInfo`
     *
     * @deprecated use `getMetricIdForEventWithHttpInfo` instead
     */
    public function getEventRelationshipsMetricWithHttpInfo(...$args) {
        return $this->getMetricIdForEventWithHttpInfo(...$args);
    }

    /**
     * Operation getMetricIdForEventAsync
     *
     * Get Metric ID for Event
     *
     * @param  string $id ID of the event (required)
     *
     * @throws \InvalidArgumentException
     * @return \GuzzleHttp\Promise\PromiseInterface
     */
    public function getMetricIdForEventAsync($id, $apiKey = null)
    {
        return $this->getMetricIdForEventAsyncWithHttpInfo($id, $apiKey)
            ->then(
                function ($response) {
                    return $response[0];
                }
            );
    }

    /**
     * Alias of `getMetricIdForEventAsync`
     *
     * @deprecated use `getMetricIdForEventAsync` instead
     */
    public function getEventRelationshipsMetricAsync(...$args) {
        return $this->getMetricIdForEventAsync(...$args);
    }

    /**
     * Operation getMetricIdForEventAsyncWithHttpInfo
     *
     * Get Metric ID for Event
     *
     * @param  string $id ID of the event (required)
     *
     * @throws \InvalidArgumentException
     * @return \GuzzleHttp\Promise\PromiseInterface
     */
    public function getMetricIdForEventAsyncWithHttpInfo($id, $apiKey = null)
    {
        $returnType = 'array<string,mixed>';
        $request = $this->getMetricIdForEventRequest($id, $apiKey);

        return $this->client
            ->sendAsync($request, $this->createHttpClientOption())
            ->then(
                function ($response) use ($returnType) {
                    if ($returnType === '\SplFileObject') {
                        $content = $response->getBody(); //stream goes to serializer
                    } else {
                        $content = (string) $response->getBody();
                        if ($returnType !== 'string') {
                            $content = json_decode($content);
                        }
                    }

                    $parsed_content = json_decode(json_encode($content), TRUE);
                    if (json_last_error() != JSON_ERROR_NONE) {
                        $parsed_content = $content;
                    }

                    return [
                        $parsed_content,
                        $response->getStatusCode(),
                        $response->getHeaders()
                    ];
                },
                function ($exception) {
                    $response = $exception->getResponse();
                    $statusCode = $response->getStatusCode();
                    throw new ApiException(
                        sprintf(
                            '[%d] Error connecting to the API (%s)',
                            $statusCode,
                            $exception->getRequest()->getUri()
                        ),
                        $statusCode,
                        $response->getHeaders(),
                        (string) $response->getBody()
                    );
                }
            );
    }

    /**
     * Alias of `getMetricIdForEventAsyncWithHttpInfo`
     *
     * @deprecated use `getMetricIdForEventAsyncWithHttpInfo` instead
     */
    public function getEventRelationshipsMetricAsyncWithHttpInfo(...$args) {
        return $this->getMetricIdForEventAsyncWithHttpInfo(...$args);
    }

    /**
     * Create request for operation 'getMetricIdForEvent'
     *
     * @param  string $id ID of the event (required)
     *
     * @throws \InvalidArgumentException
     * @return \GuzzleHttp\Psr7\Request
     */
    public function getMetricIdForEventRequest($id, $apiKey = null)
    {
        // verify the required parameter 'id' is set
        if ($id === null || (is_array($id) && count($id) === 0)) {
            throw new \InvalidArgumentException(
                'Missing the required parameter $id when calling getMetricIdForEvent'
            );
        }

        $resourcePath = '/api/events/{id}/relationships/metric';
        $formParams = [];
        $queryParams = [];
        $headerParams = [];
        $httpBody = '';
        $multipart = false;


        // path params
        if ($id !== null) {
            $resourcePath = str_replace(
                '{' . 'id' . '}',
                ObjectSerializer::toPathValue($id),
                $resourcePath
            );
        }


        if ($multipart) {
            $headers = $this->headerSelector->selectHeadersForMultipart(
                ['application/vnd.api+json']
            );
        } else {
            $headers = $this->headerSelector->selectHeaders(
                ['application/vnd.api+json'],
                []
            );
        }

        // for model (json/xml)
        if (count($formParams) > 0) {
            if ($multipart) {
                $multipartContents = [];
                foreach ($formParams as $formParamName => $formParamValue) {
                    $formParamValueItems = is_array($formParamValue) ? $formParamValue : [$formParamValue];
                    foreach ($formParamValueItems as $formParamValueItem) {
                        $multipartContents[] = [
                            'name' => $formParamName,
                            'contents' => $formParamValueItem
                        ];
                    }
                }
                // for HTTP post (form)
                $httpBody = new MultipartStream($multipartContents);

            } elseif ($headers['Content-Type'] === 'application/json' || $headers['Content-Type'] === 'application/vnd.api+json') {
                $httpBody = \GuzzleHttp\json_encode($formParams);

            } else {
                // for HTTP post (form)
                $httpBody = ObjectSerializer::buildQuery($formParams);
            }
        }

        // this endpoint requires API key authentication
        if ($apiKey == null) {
            $apiKey = $this->config->getApiKeyWithPrefix('Authorization');
        } else {
            $apiKey = 'Klaviyo-API-Key '.$apiKey;
        }

        $headers['Authorization'] = $apiKey;


        $defaultHeaders = [];
        if ($this->config->getUserAgent()) {
            $defaultHeaders['User-Agent'] = $this->config->getUserAgent();
        }

        $defaultHeaders['revision'] = ['2025-07-15'];

        $headers = array_merge(
            $defaultHeaders,
            $headerParams,
            $headers
        );

        $query = ObjectSerializer::buildQuery($queryParams);
        return new Request(
            'GET',
            $this->config->getHost() . $resourcePath . ($query ? "?{$query}" : ''),
            $headers,
            $httpBody
        );
    }

    /**
     * Alias of `getMetricIdForEventRequest`
     *
     * @deprecated use `getMetricIdForEventRequest` instead
     */
    public function getEventRelationshipsMetricRequest(...$args) {
        return $this->getMetricIdForEventRequest(...$args);
    }

    /**
     * Operation getProfileForEvent
     *
     * Get Profile for Event
     *
     * @param  string $id ID of the event (required)
     * @param  string[] $additional_fields_profile Request additional fields not included by default in the response. Supported values: &#39;subscriptions&#39;, &#39;predictive_analytics&#39; (optional)
     * @param  string[] $fields_profile For more information please visit https://developers.klaviyo.com/en/v2025-07-15/reference/api-overview#sparse-fieldsets (optional)
     *
     * @throws \KlaviyoAPI\ApiException on non-2xx response
     * @throws \InvalidArgumentException
     * @return array<string,mixed>|\KlaviyoAPI\Model\GetAccounts400Response|\KlaviyoAPI\Model\GetAccounts400Response
     */
    public function getProfileForEvent($id, $additional_fields_profile = null, $fields_profile = null, $apiKey = null)
    {
        list($response) = $this->getProfileForEventWithHttpInfo($id, $additional_fields_profile, $fields_profile, $apiKey);
        return $response;
    }

    /**
     * Alias of `getProfileForEvent`
     *
     * @deprecated use `getProfileForEvent` instead
     */
    public function getEventProfile(...$args) {
        return $this->getProfileForEvent(...$args);
    }

    /**
     * Operation getProfileForEventWithHttpInfo
     *
     * Get Profile for Event
     *
     * @param  string $id ID of the event (required)
     * @param  string[] $additional_fields_profile Request additional fields not included by default in the response. Supported values: &#39;subscriptions&#39;, &#39;predictive_analytics&#39; (optional)
     * @param  string[] $fields_profile For more information please visit https://developers.klaviyo.com/en/v2025-07-15/reference/api-overview#sparse-fieldsets (optional)
     *
     * @throws \KlaviyoAPI\ApiException on non-2xx response
     * @throws \InvalidArgumentException
     * @return array of array<string,mixed>|\KlaviyoAPI\Model\GetAccounts400Response|\KlaviyoAPI\Model\GetAccounts400Response, HTTP status code, HTTP response headers (array of strings)
     */
    public function getProfileForEventWithHttpInfo($id, $additional_fields_profile = null, $fields_profile = null, $apiKey = null)
    {
        $request = $this->getProfileForEventRequest($id, $additional_fields_profile, $fields_profile, $apiKey);

        try {
            $options = $this->createHttpClientOption();
            try {
                $response = $this->client->send($request, $options);
            } catch (RequestException $e) {
                throw new ApiException(
                    "[{$e->getCode()}] {$e->getMessage()}",
                    (int) $e->getCode(),
                    $e->getResponse() ? $e->getResponse()->getHeaders() : null,
                    $e->getResponse() ? (string) $e->getResponse()->getBody() : null
                );
            } catch (ConnectException $e) {
                throw new ApiException(
                    "[{$e->getCode()}] {$e->getMessage()}",
                    (int) $e->getCode(),
                    null,
                    null
                );
            }

            $statusCode = $response->getStatusCode();

            if ($statusCode < 200 || $statusCode > 299) {
                throw new ApiException(
                    sprintf(
                        '[%d] Error connecting to the API (%s)',
                        $statusCode,
                        (string) $request->getUri()
                    ),
                    $statusCode,
                    $response->getHeaders(),
                    (string) $response->getBody()
                );
            }

            switch($statusCode) {
                case 200:
                    if ('array<string,mixed>' === '\SplFileObject') {
                        $content = $response->getBody(); //stream goes to serializer
                    } else {
                        $content = (string) $response->getBody();
                        if ('array&lt;string,mixed&gt;' !== 'string') {
                            $content = json_decode($content);
                        }
                    }


                    $parsed_content = json_decode(json_encode($content), TRUE);
                    if (json_last_error() != JSON_ERROR_NONE) {
                        $parsed_content = $content;
                    }

                    return [
                        $parsed_content,
                        $response->getStatusCode(),
                        $response->getHeaders()
                    ];
                case 400:
                    if ('\KlaviyoAPI\Model\GetAccounts400Response' === '\SplFileObject') {
                        $content = $response->getBody(); //stream goes to serializer
                    } else {
                        $content = (string) $response->getBody();
                        if ('\KlaviyoAPI\Model\GetAccounts400Response' !== 'string') {
                            $content = json_decode($content);
                        }
                    }


                    $parsed_content = json_decode(json_encode($content), TRUE);
                    if (json_last_error() != JSON_ERROR_NONE) {
                        $parsed_content = $content;
                    }

                    return [
                        $parsed_content,
                        $response->getStatusCode(),
                        $response->getHeaders()
                    ];
                case 500:
                    if ('\KlaviyoAPI\Model\GetAccounts400Response' === '\SplFileObject') {
                        $content = $response->getBody(); //stream goes to serializer
                    } else {
                        $content = (string) $response->getBody();
                        if ('\KlaviyoAPI\Model\GetAccounts400Response' !== 'string') {
                            $content = json_decode($content);
                        }
                    }


                    $parsed_content = json_decode(json_encode($content), TRUE);
                    if (json_last_error() != JSON_ERROR_NONE) {
                        $parsed_content = $content;
                    }

                    return [
                        $parsed_content,
                        $response->getStatusCode(),
                        $response->getHeaders()
                    ];
            }

            $returnType = 'array<string,mixed>';
            if ($returnType === '\SplFileObject') {
                $content = $response->getBody(); //stream goes to serializer
            } else {
                $content = (string) $response->getBody();
                if ($returnType !== 'string') {
                    $content = json_decode($content);
                }
            }

            $parsed_content = json_decode(json_encode($content), TRUE);
            if (json_last_error() != JSON_ERROR_NONE) {
                $parsed_content = $content;
            }

            return [
                $parsed_content,
                $response->getStatusCode(),
                $response->getHeaders()
            ];

        } catch (ApiException $e) {
            switch ($e->getCode()) {
                case 200:
                    $data = ObjectSerializer::deserialize(
                        $e->getResponseBody(),
                        'array<string,mixed>',
                        $e->getResponseHeaders()
                    );
                    $e->setResponseObject($data);
                    break;
                case 400:
                    $data = ObjectSerializer::deserialize(
                        $e->getResponseBody(),
                        '\KlaviyoAPI\Model\GetAccounts400Response',
                        $e->getResponseHeaders()
                    );
                    $e->setResponseObject($data);
                    break;
                case 500:
                    $data = ObjectSerializer::deserialize(
                        $e->getResponseBody(),
                        '\KlaviyoAPI\Model\GetAccounts400Response',
                        $e->getResponseHeaders()
                    );
                    $e->setResponseObject($data);
                    break;
            }
            throw $e;
        }
    }

    /**
     * Alias of `getProfileForEventWithHttpInfo`
     *
     * @deprecated use `getProfileForEventWithHttpInfo` instead
     */
    public function getEventProfileWithHttpInfo(...$args) {
        return $this->getProfileForEventWithHttpInfo(...$args);
    }

    /**
     * Operation getProfileForEventAsync
     *
     * Get Profile for Event
     *
     * @param  string $id ID of the event (required)
     * @param  string[] $additional_fields_profile Request additional fields not included by default in the response. Supported values: &#39;subscriptions&#39;, &#39;predictive_analytics&#39; (optional)
     * @param  string[] $fields_profile For more information please visit https://developers.klaviyo.com/en/v2025-07-15/reference/api-overview#sparse-fieldsets (optional)
     *
     * @throws \InvalidArgumentException
     * @return \GuzzleHttp\Promise\PromiseInterface
     */
    public function getProfileForEventAsync($id, $additional_fields_profile = null, $fields_profile = null, $apiKey = null)
    {
        return $this->getProfileForEventAsyncWithHttpInfo($id, $additional_fields_profile, $fields_profile, $apiKey)
            ->then(
                function ($response) {
                    return $response[0];
                }
            );
    }

    /**
     * Alias of `getProfileForEventAsync`
     *
     * @deprecated use `getProfileForEventAsync` instead
     */
    public function getEventProfileAsync(...$args) {
        return $this->getProfileForEventAsync(...$args);
    }

    /**
     * Operation getProfileForEventAsyncWithHttpInfo
     *
     * Get Profile for Event
     *
     * @param  string $id ID of the event (required)
     * @param  string[] $additional_fields_profile Request additional fields not included by default in the response. Supported values: &#39;subscriptions&#39;, &#39;predictive_analytics&#39; (optional)
     * @param  string[] $fields_profile For more information please visit https://developers.klaviyo.com/en/v2025-07-15/reference/api-overview#sparse-fieldsets (optional)
     *
     * @throws \InvalidArgumentException
     * @return \GuzzleHttp\Promise\PromiseInterface
     */
    public function getProfileForEventAsyncWithHttpInfo($id, $additional_fields_profile = null, $fields_profile = null, $apiKey = null)
    {
        $returnType = 'array<string,mixed>';
        $request = $this->getProfileForEventRequest($id, $additional_fields_profile, $fields_profile, $apiKey);

        return $this->client
            ->sendAsync($request, $this->createHttpClientOption())
            ->then(
                function ($response) use ($returnType) {
                    if ($returnType === '\SplFileObject') {
                        $content = $response->getBody(); //stream goes to serializer
                    } else {
                        $content = (string) $response->getBody();
                        if ($returnType !== 'string') {
                            $content = json_decode($content);
                        }
                    }

                    $parsed_content = json_decode(json_encode($content), TRUE);
                    if (json_last_error() != JSON_ERROR_NONE) {
                        $parsed_content = $content;
                    }

                    return [
                        $parsed_content,
                        $response->getStatusCode(),
                        $response->getHeaders()
                    ];
                },
                function ($exception) {
                    $response = $exception->getResponse();
                    $statusCode = $response->getStatusCode();
                    throw new ApiException(
                        sprintf(
                            '[%d] Error connecting to the API (%s)',
                            $statusCode,
                            $exception->getRequest()->getUri()
                        ),
                        $statusCode,
                        $response->getHeaders(),
                        (string) $response->getBody()
                    );
                }
            );
    }

    /**
     * Alias of `getProfileForEventAsyncWithHttpInfo`
     *
     * @deprecated use `getProfileForEventAsyncWithHttpInfo` instead
     */
    public function getEventProfileAsyncWithHttpInfo(...$args) {
        return $this->getProfileForEventAsyncWithHttpInfo(...$args);
    }

    /**
     * Create request for operation 'getProfileForEvent'
     *
     * @param  string $id ID of the event (required)
     * @param  string[] $additional_fields_profile Request additional fields not included by default in the response. Supported values: &#39;subscriptions&#39;, &#39;predictive_analytics&#39; (optional)
     * @param  string[] $fields_profile For more information please visit https://developers.klaviyo.com/en/v2025-07-15/reference/api-overview#sparse-fieldsets (optional)
     *
     * @throws \InvalidArgumentException
     * @return \GuzzleHttp\Psr7\Request
     */
    public function getProfileForEventRequest($id, $additional_fields_profile = null, $fields_profile = null, $apiKey = null)
    {
        // verify the required parameter 'id' is set
        if ($id === null || (is_array($id) && count($id) === 0)) {
            throw new \InvalidArgumentException(
                'Missing the required parameter $id when calling getProfileForEvent'
            );
        }

        $resourcePath = '/api/events/{id}/profile';
        $formParams = [];
        $queryParams = [];
        $headerParams = [];
        $httpBody = '';
        $multipart = false;

        // query params
        $queryParams = array_merge($queryParams, ObjectSerializer::toQueryValue(
            $additional_fields_profile,
            'additional-fields[profile]', // param base name
            'array', // openApiType
            'form', // style
            false, // explode
            false // required
        ) ?? []);
        // query params
        $queryParams = array_merge($queryParams, ObjectSerializer::toQueryValue(
            $fields_profile,
            'fields[profile]', // param base name
            'array', // openApiType
            'form', // style
            false, // explode
            false // required
        ) ?? []);


        // path params
        if ($id !== null) {
            $resourcePath = str_replace(
                '{' . 'id' . '}',
                ObjectSerializer::toPathValue($id),
                $resourcePath
            );
        }


        if ($multipart) {
            $headers = $this->headerSelector->selectHeadersForMultipart(
                ['application/vnd.api+json']
            );
        } else {
            $headers = $this->headerSelector->selectHeaders(
                ['application/vnd.api+json'],
                []
            );
        }

        // for model (json/xml)
        if (count($formParams) > 0) {
            if ($multipart) {
                $multipartContents = [];
                foreach ($formParams as $formParamName => $formParamValue) {
                    $formParamValueItems = is_array($formParamValue) ? $formParamValue : [$formParamValue];
                    foreach ($formParamValueItems as $formParamValueItem) {
                        $multipartContents[] = [
                            'name' => $formParamName,
                            'contents' => $formParamValueItem
                        ];
                    }
                }
                // for HTTP post (form)
                $httpBody = new MultipartStream($multipartContents);

            } elseif ($headers['Content-Type'] === 'application/json' || $headers['Content-Type'] === 'application/vnd.api+json') {
                $httpBody = \GuzzleHttp\json_encode($formParams);

            } else {
                // for HTTP post (form)
                $httpBody = ObjectSerializer::buildQuery($formParams);
            }
        }

        // this endpoint requires API key authentication
        if ($apiKey == null) {
            $apiKey = $this->config->getApiKeyWithPrefix('Authorization');
        } else {
            $apiKey = 'Klaviyo-API-Key '.$apiKey;
        }

        $headers['Authorization'] = $apiKey;


        $defaultHeaders = [];
        if ($this->config->getUserAgent()) {
            $defaultHeaders['User-Agent'] = $this->config->getUserAgent();
        }

        $defaultHeaders['revision'] = ['2025-07-15'];

        $headers = array_merge(
            $defaultHeaders,
            $headerParams,
            $headers
        );

        $query = ObjectSerializer::buildQuery($queryParams);
        return new Request(
            'GET',
            $this->config->getHost() . $resourcePath . ($query ? "?{$query}" : ''),
            $headers,
            $httpBody
        );
    }

    /**
     * Alias of `getProfileForEventRequest`
     *
     * @deprecated use `getProfileForEventRequest` instead
     */
    public function getEventProfileRequest(...$args) {
        return $this->getProfileForEventRequest(...$args);
    }

    /**
     * Operation getProfileIdForEvent
     *
     * Get Profile ID for Event
     *
     * @param  string $id ID of the event (required)
     *
     * @throws \KlaviyoAPI\ApiException on non-2xx response
     * @throws \InvalidArgumentException
     * @return array<string,mixed>|\KlaviyoAPI\Model\GetAccounts400Response|\KlaviyoAPI\Model\GetAccounts400Response
     */
    public function getProfileIdForEvent($id, $apiKey = null)
    {
        list($response) = $this->getProfileIdForEventWithHttpInfo($id, $apiKey);
        return $response;
    }

    /**
     * Alias of `getProfileIdForEvent`
     *
     * @deprecated use `getProfileIdForEvent` instead
     */
    public function getEventRelationshipsProfile(...$args) {
        return $this->getProfileIdForEvent(...$args);
    }

    /**
     * Operation getProfileIdForEventWithHttpInfo
     *
     * Get Profile ID for Event
     *
     * @param  string $id ID of the event (required)
     *
     * @throws \KlaviyoAPI\ApiException on non-2xx response
     * @throws \InvalidArgumentException
     * @return array of array<string,mixed>|\KlaviyoAPI\Model\GetAccounts400Response|\KlaviyoAPI\Model\GetAccounts400Response, HTTP status code, HTTP response headers (array of strings)
     */
    public function getProfileIdForEventWithHttpInfo($id, $apiKey = null)
    {
        $request = $this->getProfileIdForEventRequest($id, $apiKey);

        try {
            $options = $this->createHttpClientOption();
            try {
                $response = $this->client->send($request, $options);
            } catch (RequestException $e) {
                throw new ApiException(
                    "[{$e->getCode()}] {$e->getMessage()}",
                    (int) $e->getCode(),
                    $e->getResponse() ? $e->getResponse()->getHeaders() : null,
                    $e->getResponse() ? (string) $e->getResponse()->getBody() : null
                );
            } catch (ConnectException $e) {
                throw new ApiException(
                    "[{$e->getCode()}] {$e->getMessage()}",
                    (int) $e->getCode(),
                    null,
                    null
                );
            }

            $statusCode = $response->getStatusCode();

            if ($statusCode < 200 || $statusCode > 299) {
                throw new ApiException(
                    sprintf(
                        '[%d] Error connecting to the API (%s)',
                        $statusCode,
                        (string) $request->getUri()
                    ),
                    $statusCode,
                    $response->getHeaders(),
                    (string) $response->getBody()
                );
            }

            switch($statusCode) {
                case 200:
                    if ('array<string,mixed>' === '\SplFileObject') {
                        $content = $response->getBody(); //stream goes to serializer
                    } else {
                        $content = (string) $response->getBody();
                        if ('array&lt;string,mixed&gt;' !== 'string') {
                            $content = json_decode($content);
                        }
                    }


                    $parsed_content = json_decode(json_encode($content), TRUE);
                    if (json_last_error() != JSON_ERROR_NONE) {
                        $parsed_content = $content;
                    }

                    return [
                        $parsed_content,
                        $response->getStatusCode(),
                        $response->getHeaders()
                    ];
                case 400:
                    if ('\KlaviyoAPI\Model\GetAccounts400Response' === '\SplFileObject') {
                        $content = $response->getBody(); //stream goes to serializer
                    } else {
                        $content = (string) $response->getBody();
                        if ('\KlaviyoAPI\Model\GetAccounts400Response' !== 'string') {
                            $content = json_decode($content);
                        }
                    }


                    $parsed_content = json_decode(json_encode($content), TRUE);
                    if (json_last_error() != JSON_ERROR_NONE) {
                        $parsed_content = $content;
                    }

                    return [
                        $parsed_content,
                        $response->getStatusCode(),
                        $response->getHeaders()
                    ];
                case 500:
                    if ('\KlaviyoAPI\Model\GetAccounts400Response' === '\SplFileObject') {
                        $content = $response->getBody(); //stream goes to serializer
                    } else {
                        $content = (string) $response->getBody();
                        if ('\KlaviyoAPI\Model\GetAccounts400Response' !== 'string') {
                            $content = json_decode($content);
                        }
                    }


                    $parsed_content = json_decode(json_encode($content), TRUE);
                    if (json_last_error() != JSON_ERROR_NONE) {
                        $parsed_content = $content;
                    }

                    return [
                        $parsed_content,
                        $response->getStatusCode(),
                        $response->getHeaders()
                    ];
            }

            $returnType = 'array<string,mixed>';
            if ($returnType === '\SplFileObject') {
                $content = $response->getBody(); //stream goes to serializer
            } else {
                $content = (string) $response->getBody();
                if ($returnType !== 'string') {
                    $content = json_decode($content);
                }
            }

            $parsed_content = json_decode(json_encode($content), TRUE);
            if (json_last_error() != JSON_ERROR_NONE) {
                $parsed_content = $content;
            }

            return [
                $parsed_content,
                $response->getStatusCode(),
                $response->getHeaders()
            ];

        } catch (ApiException $e) {
            switch ($e->getCode()) {
                case 200:
                    $data = ObjectSerializer::deserialize(
                        $e->getResponseBody(),
                        'array<string,mixed>',
                        $e->getResponseHeaders()
                    );
                    $e->setResponseObject($data);
                    break;
                case 400:
                    $data = ObjectSerializer::deserialize(
                        $e->getResponseBody(),
                        '\KlaviyoAPI\Model\GetAccounts400Response',
                        $e->getResponseHeaders()
                    );
                    $e->setResponseObject($data);
                    break;
                case 500:
                    $data = ObjectSerializer::deserialize(
                        $e->getResponseBody(),
                        '\KlaviyoAPI\Model\GetAccounts400Response',
                        $e->getResponseHeaders()
                    );
                    $e->setResponseObject($data);
                    break;
            }
            throw $e;
        }
    }

    /**
     * Alias of `getProfileIdForEventWithHttpInfo`
     *
     * @deprecated use `getProfileIdForEventWithHttpInfo` instead
     */
    public function getEventRelationshipsProfileWithHttpInfo(...$args) {
        return $this->getProfileIdForEventWithHttpInfo(...$args);
    }

    /**
     * Operation getProfileIdForEventAsync
     *
     * Get Profile ID for Event
     *
     * @param  string $id ID of the event (required)
     *
     * @throws \InvalidArgumentException
     * @return \GuzzleHttp\Promise\PromiseInterface
     */
    public function getProfileIdForEventAsync($id, $apiKey = null)
    {
        return $this->getProfileIdForEventAsyncWithHttpInfo($id, $apiKey)
            ->then(
                function ($response) {
                    return $response[0];
                }
            );
    }

    /**
     * Alias of `getProfileIdForEventAsync`
     *
     * @deprecated use `getProfileIdForEventAsync` instead
     */
    public function getEventRelationshipsProfileAsync(...$args) {
        return $this->getProfileIdForEventAsync(...$args);
    }

    /**
     * Operation getProfileIdForEventAsyncWithHttpInfo
     *
     * Get Profile ID for Event
     *
     * @param  string $id ID of the event (required)
     *
     * @throws \InvalidArgumentException
     * @return \GuzzleHttp\Promise\PromiseInterface
     */
    public function getProfileIdForEventAsyncWithHttpInfo($id, $apiKey = null)
    {
        $returnType = 'array<string,mixed>';
        $request = $this->getProfileIdForEventRequest($id, $apiKey);

        return $this->client
            ->sendAsync($request, $this->createHttpClientOption())
            ->then(
                function ($response) use ($returnType) {
                    if ($returnType === '\SplFileObject') {
                        $content = $response->getBody(); //stream goes to serializer
                    } else {
                        $content = (string) $response->getBody();
                        if ($returnType !== 'string') {
                            $content = json_decode($content);
                        }
                    }

                    $parsed_content = json_decode(json_encode($content), TRUE);
                    if (json_last_error() != JSON_ERROR_NONE) {
                        $parsed_content = $content;
                    }

                    return [
                        $parsed_content,
                        $response->getStatusCode(),
                        $response->getHeaders()
                    ];
                },
                function ($exception) {
                    $response = $exception->getResponse();
                    $statusCode = $response->getStatusCode();
                    throw new ApiException(
                        sprintf(
                            '[%d] Error connecting to the API (%s)',
                            $statusCode,
                            $exception->getRequest()->getUri()
                        ),
                        $statusCode,
                        $response->getHeaders(),
                        (string) $response->getBody()
                    );
                }
            );
    }

    /**
     * Alias of `getProfileIdForEventAsyncWithHttpInfo`
     *
     * @deprecated use `getProfileIdForEventAsyncWithHttpInfo` instead
     */
    public function getEventRelationshipsProfileAsyncWithHttpInfo(...$args) {
        return $this->getProfileIdForEventAsyncWithHttpInfo(...$args);
    }

    /**
     * Create request for operation 'getProfileIdForEvent'
     *
     * @param  string $id ID of the event (required)
     *
     * @throws \InvalidArgumentException
     * @return \GuzzleHttp\Psr7\Request
     */
    public function getProfileIdForEventRequest($id, $apiKey = null)
    {
        // verify the required parameter 'id' is set
        if ($id === null || (is_array($id) && count($id) === 0)) {
            throw new \InvalidArgumentException(
                'Missing the required parameter $id when calling getProfileIdForEvent'
            );
        }

        $resourcePath = '/api/events/{id}/relationships/profile';
        $formParams = [];
        $queryParams = [];
        $headerParams = [];
        $httpBody = '';
        $multipart = false;


        // path params
        if ($id !== null) {
            $resourcePath = str_replace(
                '{' . 'id' . '}',
                ObjectSerializer::toPathValue($id),
                $resourcePath
            );
        }


        if ($multipart) {
            $headers = $this->headerSelector->selectHeadersForMultipart(
                ['application/vnd.api+json']
            );
        } else {
            $headers = $this->headerSelector->selectHeaders(
                ['application/vnd.api+json'],
                []
            );
        }

        // for model (json/xml)
        if (count($formParams) > 0) {
            if ($multipart) {
                $multipartContents = [];
                foreach ($formParams as $formParamName => $formParamValue) {
                    $formParamValueItems = is_array($formParamValue) ? $formParamValue : [$formParamValue];
                    foreach ($formParamValueItems as $formParamValueItem) {
                        $multipartContents[] = [
                            'name' => $formParamName,
                            'contents' => $formParamValueItem
                        ];
                    }
                }
                // for HTTP post (form)
                $httpBody = new MultipartStream($multipartContents);

            } elseif ($headers['Content-Type'] === 'application/json' || $headers['Content-Type'] === 'application/vnd.api+json') {
                $httpBody = \GuzzleHttp\json_encode($formParams);

            } else {
                // for HTTP post (form)
                $httpBody = ObjectSerializer::buildQuery($formParams);
            }
        }

        // this endpoint requires API key authentication
        if ($apiKey == null) {
            $apiKey = $this->config->getApiKeyWithPrefix('Authorization');
        } else {
            $apiKey = 'Klaviyo-API-Key '.$apiKey;
        }

        $headers['Authorization'] = $apiKey;


        $defaultHeaders = [];
        if ($this->config->getUserAgent()) {
            $defaultHeaders['User-Agent'] = $this->config->getUserAgent();
        }

        $defaultHeaders['revision'] = ['2025-07-15'];

        $headers = array_merge(
            $defaultHeaders,
            $headerParams,
            $headers
        );

        $query = ObjectSerializer::buildQuery($queryParams);
        return new Request(
            'GET',
            $this->config->getHost() . $resourcePath . ($query ? "?{$query}" : ''),
            $headers,
            $httpBody
        );
    }

    /**
     * Alias of `getProfileIdForEventRequest`
     *
     * @deprecated use `getProfileIdForEventRequest` instead
     */
    public function getEventRelationshipsProfileRequest(...$args) {
        return $this->getProfileIdForEventRequest(...$args);
    }

    /**
     * Create http client option
     *
     * @throws \RuntimeException on file opening failure
     * @return array of http client options
     */
    protected function createHttpClientOption()
    {
        $options = [];
        if ($this->config->getDebug()) {
            $options[RequestOptions::DEBUG] = fopen($this->config->getDebugFile(), 'a');
            if (!$options[RequestOptions::DEBUG]) {
                throw new \RuntimeException('Failed to open the debug file: ' . $this->config->getDebugFile());
            }
        }

        return $options;
    }
}