get Context of click item in datatable

Hello. I have 2(or more) buttons(items for click) in one cell in datatable.
Haw i can get id(or else info) abouut html element what i click?
For expale https://snippet.webix.com/anop4c1y
im click in the button 2 and ill need get id (or others attributes of this buttons).
Thx for same help.

ev.target.attributes))