How to define an User Command event in a Module pool programming?

In module pool programs you can set the User Command's through screen painter.

In the screen layout, when u create a radio button, push button they will automatically react for the user-command.

u can code in the pai.


In SE51 you can design the screen and you can set the user command's for Each and Every fields.

For Example, You design one Button "Save" in Screen painter, and Double click it. It displays the Attributes menu. Here you can Enter the Function Code for that [Example "Savebutton"].