<?php
use Microsoft\Graph\Beta\GraphServiceClient;
use Microsoft\Graph\Beta\Generated\Models\AccessPackageAssignmentRequestWorkflowExtension;
use Microsoft\Graph\Beta\Generated\Models\LogicAppTriggerEndpointConfiguration;
use Microsoft\Graph\Beta\Generated\Models\AzureAdPopTokenAuthentication;
use Microsoft\Graph\Beta\Generated\Models\CustomExtensionCallbackConfiguration;
$graphServiceClient = new GraphServiceClient($tokenRequestContext, $scopes);
$requestBody = new AccessPackageAssignmentRequestWorkflowExtension();
$requestBody->setOdataType('#microsoft.graph.accessPackageAssignmentRequestWorkflowExtension');
$requestBody->setDisplayName('test_action_0124_email');
$requestBody->setDescription('this is for graph testing only');
$endpointConfiguration = new LogicAppTriggerEndpointConfiguration();
$endpointConfiguration->setOdataType('#microsoft.graph.logicAppTriggerEndpointConfiguration');
$endpointConfiguration->setSubscriptionId('38ab2ccc-3747-4567-b36b-9478f5602f0d');
$endpointConfiguration->setResourceGroupName('test');
$endpointConfiguration->setLogicAppWorkflowName('elm-extension-email');
$requestBody->setEndpointConfiguration($endpointConfiguration);
$authenticationConfiguration = new AzureAdPopTokenAuthentication();
$authenticationConfiguration->setOdataType('#microsoft.graph.azureAdPopTokenAuthentication');
$requestBody->setAuthenticationConfiguration($authenticationConfiguration);
$callbackConfiguration = new CustomExtensionCallbackConfiguration();
$callbackConfiguration->setOdataType('microsoft.graph.customExtensionCallbackConfiguration');
$additionalData = [
'durationBeforeTimeout' => 'PT1H',
];
$callbackConfiguration->setAdditionalData($additionalData);
$requestBody->setCallbackConfiguration($callbackConfiguration);
$result = $graphServiceClient->identityGovernance()->entitlementManagement()->accessPackageCatalogs()->byAccessPackageCatalogId('accessPackageCatalog-id')->accessPackageCustomWorkflowExtensions()->post($requestBody)->wait();