<?php
use Microsoft\Graph\Beta\GraphServiceClient;
use Microsoft\Graph\Beta\Generated\Security\Incidents\IncidentsRequestBuilderGetRequestConfiguration;
$graphServiceClient = new GraphServiceClient($tokenRequestContext, $scopes);
$requestConfiguration = new IncidentsRequestBuilderGetRequestConfiguration();
$queryParameters = IncidentsRequestBuilderGetRequestConfiguration::createQueryParameters();
$queryParameters->expand = ["alerts"];
$requestConfiguration->queryParameters = $queryParameters;
$result = $graphServiceClient->security()->incidents()->get($requestConfiguration)->wait();