How to use OptGroup in Rich Select

Webix JS
#1

Hello,

I have an requirement,where I need replicate the behavior of Opt Group in Rich Select, looking for option in webix documentation, but not able to find, can you please guide us how we can implement the Opt Group functionality.

#2

Technically, it possible to replace list in the richselect with a tree and show a grouped data.

#3

And you can check the following snippet for details: http://webix.com/snippet/5ee23867