Help about Function/Behaviour

So I am working on a Function and I need to add the Activate Yes / No button. But I couldn’t find it how?

I know how to use that action.I didn’t mean it…I am making an extension and I need to add a button like that.Anyway thanks.

You can’t right now. What I do is I prompt the user to write 0 or another number: 0 for no, another number for yes.