Sidebar on click to load struts2 action call which returns a jsp

Hi
I am new to webix. We want to change our front end which uses a Struts2 Jquery Plugin to Webix. However we are starting bit by bit as it is a very big application.
We are developing a webix sidebar menu option. When the Webix Side Bar Menu is clicked, we want it to call a href which is a struts2 action call which returns a jsp into a webix div/contrainer. Is this possible to do or is it always ajax reponse, or xml.

Many thanks for help