public function actionFolderCreate()
    {
        $this->checkRouteAccess(self::PERMISSION_ROUTE);
        
        $folderName = Yii::$app->request->post('folderName', null);
        $parentFolderId = Yii::$app->request->post('parentFolderId', 0);
        $response = Yii::$app->storage->addFolder($folderName, $parentFolderId);
        $this->flushApiCache();
        
        return $response;
    }