It’s like a puzzle when you rejoice at a random coincidence, because the functionality is constantly being twisted.
This is the extrude tool you are in, not the revolve tool. You are trying to modify the draft angle.
Thank you for your feedback. You can see, this feature (arrows) is presented and the tooltip at the top? In any case, I don’t understand how to make vertical surface. Everytime this is like shamanism for me.