code: public function getForeignObject()
      {
          if (is_null($this->_foreignObject)) {
              $this->trigger(self::EVENT_LOAD_FOREIGN_OBJECT);
          }
  
          return $this->_foreignObject;
      }
docs: Get foreign object.
  
  @return [[@doctodo return_type:getForeignObject]] [[@doctodo return_description:getForeignObject]]