<?php
use Microsoft\Graph\Beta\GraphServiceClient;
use Microsoft\Graph\Beta\Generated\Users\Item\PendingAccessReviewInstances\Item\Decisions\DecisionsRequestBuilderGetRequestConfiguration;
$graphServiceClient = new GraphServiceClient($tokenRequestContext, $scopes);
$requestConfiguration = new DecisionsRequestBuilderGetRequestConfiguration();
$queryParameters = DecisionsRequestBuilderGetRequestConfiguration::createQueryParameters();
$queryParameters->top = 100;
$queryParameters->skip = 0;
$requestConfiguration->queryParameters = $queryParameters;
$result = $graphServiceClient->me()->pendingAccessReviewInstances()->byAccessReviewInstanceId('accessReviewInstance-id')->decisions()->get($requestConfiguration)->wait();