code: public function getAction()
      {
          $url = $this->action;
          if ($this->default_target && ! $url->getTarget()) {
              $url->setTarget($this->default_target);
          }
          if ($this->getMethod() === 'get') {
              $url->clearRequest();
          }
  
          return $url;
      }
docs: Absolute URL of the target.
  
  @return SimpleUrl           URL target.