public function execute()
 {
     $id = $this->get('id', true);
     $page_model = new sitePageModel();
     $page = $page_model->getById($id);
     if ($page) {
         $page['params'] = $page_model->getParams($id);
         $this->response = $page;
     } else {
         throw new waAPIException('invalid_request', 'Page not found', 404);
     }
 }