require_once('/path/to/OpenAPIClient-php/vendor/autoload.php');

<?php
require_once(__DIR__ . '/vendor/autoload.php');



// Configure Bearer (JWT) authorization: itc-bearer-token
$config = OpenAPI\Client\Configuration::getDefaultConfiguration()->setAccessToken('YOUR_ACCESS_TOKEN');


$apiInstance = new OpenAPI\Client\Api\AgeRatingDeclarationsApi(
    // If you want use custom http client, pass your client which implements `GuzzleHttp\ClientInterface`.
    // This is optional, `GuzzleHttp\Client` will be used as default.
    new GuzzleHttp\Client(),
    $config
);
$id = 'id_example'; // string | the id of the requested resource
$age_rating_declaration_update_request = new \OpenAPI\Client\Model\AgeRatingDeclarationUpdateRequest(); // \OpenAPI\Client\Model\AgeRatingDeclarationUpdateRequest | AgeRatingDeclaration representation

try {
    $result = $apiInstance->ageRatingDeclarationsUpdateInstance($id, $age_rating_declaration_update_request);
    print_r($result);
} catch (Exception $e) {
    echo 'Exception when calling AgeRatingDeclarationsApi->ageRatingDeclarationsUpdateInstance: ', $e->getMessage(), PHP_EOL;
}

?>