code: function() {
          var me = this,
              menuTrigger = me.menuTrigger,
              names = me.layout.names;
  
          // The rendering flag is set when getRenderTree is called which we do when returning markup string for the owning layout's "suffix"
          if (menuTrigger.rendering) {
              menuTrigger.finishRender();
              me.triggerTotalWidth = menuTrigger[names.getWidth]() + menuTrigger.el.getMargin(names.parallelMargins);
          }
      }
docs: Finishes the render operation of the trigger Button.
  @private