<?php
use Microsoft\Graph\Beta\GraphServiceClient;
use Microsoft\Graph\Beta\Generated\Policies\RoleManagementPolicies\RoleManagementPoliciesRequestBuilderGetRequestConfiguration;
$graphServiceClient = new GraphServiceClient($tokenRequestContext, $scopes);
$requestConfiguration = new RoleManagementPoliciesRequestBuilderGetRequestConfiguration();
$queryParameters = RoleManagementPoliciesRequestBuilderGetRequestConfiguration::createQueryParameters();
$queryParameters->filter = "scopeId eq '60bba733-f09d-49b7-8445-32369aa066b3' and scopeType eq 'Group'";
$queryParameters->expand = ["rules(\$select=id)"];
$requestConfiguration->queryParameters = $queryParameters;
$result = $graphServiceClient->policies()->roleManagementPolicies()->get($requestConfiguration)->wait();