<?php
use Microsoft\Graph\Beta\GraphServiceClient;
use Microsoft\Graph\Beta\Generated\Models\PermissionGrantConditionSet;
use Microsoft\Graph\Beta\Generated\Models\PermissionType;
$graphServiceClient = new GraphServiceClient($tokenRequestContext, $scopes);
$requestBody = new PermissionGrantConditionSet();
$requestBody->setPermissionType(new PermissionType('delegated'));
$requestBody->setClientApplicationsFromVerifiedPublisherOnly(true);
$result = $graphServiceClient->policies()->permissionGrantPolicies()->byPermissionGrantPolicyId('permissionGrantPolicy-id')->includes()->post($requestBody)->wait();