I want to make a pie menu for Blender's toolbar, but I don't know the name of the icon

This time this question has been resolved.
Thank you very much for your kind help.

Hi, I don’t know anything about python or specifically about coding. but you showed that it is possible to make a pie menu for the toolbar in blender. but the code u mentioned at the beginning of this page is not working can you please explain how to use that code in order for it to work properly…
looking forward to ur reply