code: public function addString($content, $region = "main", $sort = 0)
      {
          $view = new View();
          $view->set($content, [], $sort, "string");
          $this->views[$region][] = $view;
          
          return $this;
      }
docs: Add a string as a view.
  
  @param string $content the content
  @param string $region  which region to attach the view
  @param int    $sort    which order to display the views
  
  @return $this