'{username}', 'apiKey' => '{apiKey}', )); // 2. Obtain a Database service object from the client. $databaseService = $client->databaseService(null, '{region}'); // 3. List datastores. $datastores = $databaseService->datastoreList(); foreach ($datastores as $datastore) { /** @var $datastore OpenCloud\Database\Resource\Datastore **/ }