/**
  * update action allows to update an existant's user's data
  *
  * @ActionDefinition( layout='auth_layout.tpl', zone='content:users_display;', propel )
  */
 public function update()
 {
     $response = AuthUsersBss::update($this->request);
     if (is_array($response)) {
         $this->response->_id = $response['id'];
         $this->response->element = $response;
     } else {
         $this->response->exception = $response;
     }
 }