'{username}', 'password' => '{password}', )); // 2. Obtain an Orchestration service object from the client. $orchestrationService = $client->orchestrationService(null, '{region}'); // 3. Get resource types. $resourceTypes = $orchestrationService->listResourceTypes(); foreach ($resourceTypes as $resourceType) { /** @var $resourceType OpenCloud\Orchestration\Resource\ResourceType **/ }