<?php
use Microsoft\Graph\Beta\GraphServiceClient;
use Microsoft\Graph\Beta\Generated\IdentityGovernance\EntitlementManagement\AccessPackages\Item\MoveToCatalog\MoveToCatalogPostRequestBody;
$graphServiceClient = new GraphServiceClient($tokenRequestContext, $scopes);
$requestBody = new MoveToCatalogPostRequestBody();
$requestBody->setCatalogId('3301434b-99bd-46be-923b-d762c30c8e8b');
$graphServiceClient->identityGovernance()->entitlementManagement()->accessPackages()->byAccessPackageId('accessPackage-id')->moveToCatalog()->post($requestBody)->wait();