How to drag a component into another component

Webix JS
1

I want to drag a component into another component (for example: a button drag into a form component), but I can’t implement it ,could help me ,and give me some advice or example.

I have read the samples ,but all of them are about grid,tree,and list component.

2

could you help me.

3

It possible to achieve, but will require a not so simple code.
Check the html dnd section here:
http://webix.com/blog/drag-and-drop-in-webix-ui/#more-3247

you can use html elements of webix components with above API