code: function($root, $el, rentManager, manager) {
      var $filtered;
  
      // If selector is specified, attempt to find it.
      if (manager.selector) {
        if (rentManager.noel) {
          $filtered = $root.filter(manager.selector);
          $root = $filtered.length ? $filtered : $root.find(manager.selector);
        } else {
          $root = $root.find(manager.selector);
        }
      }
  
      // Use the insert method if the parent's `insert` argument is true.
      if (rentManager.insert) {
        this.insert($root, $el);
      } else {
        this.html($root, $el);
      }
    }
docs: This is the most common way you will want to partially apply a view into a layout.