<?php
use Microsoft\Graph\Beta\GraphServiceClient;
use Microsoft\Graph\Beta\Generated\Models\CustomAppScope;
use Microsoft\Graph\Beta\Generated\Models\CustomAppScopeAttributesDictionary;
$graphServiceClient = new GraphServiceClient($tokenRequestContext, $scopes);
$requestBody = new CustomAppScope();
$customAttributes = new CustomAppScopeAttributesDictionary();
$additionalData = [
'RecipientFilter' => 'City -eq \'Seattle\'',
];
$customAttributes->setAdditionalData($additionalData);
$requestBody->setCustomAttributes($customAttributes);
$result = $graphServiceClient->roleManagement()->exchange()->customAppScopes()->byCustomAppScopeId('customAppScope-id')->patch($requestBody)->wait();