This tutorial I’ll show you how to create the autocomple with jQuery plugin with liferay portlet serve as backend code. The example was using flexjson 1.9.1 to serialize the object as json output string and you can download the source code here.
This is an example widget to show how the Left sidebar looks by default. You can add custom widgets from the widgets screen in the admin. If custom widgets are added then this will be replaced by those widgets