User Exit Problem
I am new to the user exit and i want to create a User Exit which allows
to display a screen and then came back to its normal view. for example,i want to create a User Exit for Tcode CO11n and before entering the conformation no.. it should display the screen developed
and the user checks that screen and den do its entries.
I just want to know is there any example for it? bcoz i am not able to find gud example for it.