<?php
use Microsoft\Graph\Beta\GraphServiceClient;
use Microsoft\Graph\Beta\Generated\Teamwork\TeamTemplates\TeamTemplatesRequestBuilderGetRequestConfiguration;
$graphServiceClient = new GraphServiceClient($tokenRequestContext, $scopes);
$requestConfiguration = new TeamTemplatesRequestBuilderGetRequestConfiguration();
$queryParameters = TeamTemplatesRequestBuilderGetRequestConfiguration::createQueryParameters();
$queryParameters->expand = ["definitions"];
$queryParameters->filter = "definitions/any(a:a/languageTag eq 'en-US')";
$requestConfiguration->queryParameters = $queryParameters;
$result = $graphServiceClient->teamwork()->teamTemplates()->get($requestConfiguration)->wait();