Hi,   Maybe like this (need to optimize)?:   1. "MainPanel" (UniPanelA) -> ... -> function afterrender: function afterrender(sender, eOpts) {     var me=sender;     //me.layout.getLayoutItems().forEach... me.items.items.forEach(function(item){         //item.addListener('collapse', function(){         //    ajaxRequest(me, '_expandorcollapse', ['uname='+me.layout.getExpanded()[0].uname]);         //});         item.addListener('expand', function(){             ajaxRequest(me, '