<?php
use Microsoft\Graph\Beta\GraphServiceClient;
use Microsoft\Graph\Beta\Generated\RoleManagement\Directory\TransitiveRoleAssignments\TransitiveRoleAssignmentsRequestBuilderGetRequestConfiguration;
$graphServiceClient = new GraphServiceClient($tokenRequestContext, $scopes);
$requestConfiguration = new TransitiveRoleAssignmentsRequestBuilderGetRequestConfiguration();
$headers = [
'ConsistencyLevel' => 'eventual',
];
$requestConfiguration->headers = $headers;
$queryParameters = TransitiveRoleAssignmentsRequestBuilderGetRequestConfiguration::createQueryParameters();
$queryParameters->count = true;
$queryParameters->filter = "principalId eq '2c7936bc-3517-40f3-8eda-4806637b6516' and directoryScopeId eq '/administrativeUnits/26e79164-0c5c-4281-8c5b-be7bc7809fb2'";
$requestConfiguration->queryParameters = $queryParameters;
$result = $graphServiceClient->roleManagement()->directory()->transitiveRoleAssignments()->get($requestConfiguration)->wait();