I want to know how to assign the structure of ekpo(after adding a field to it)
on the screen ME21N, i have to assign the the net price of a line item to that field
so i dont know where exactly to assign this structure in the user exit
in this enhamcement MM06E005 there's some exit( for structure include "Tables include", for code "Exit function" and to add fiels at screen "screen Exit ").
To do your operation to have to:
add a new field in a screen by screen exit.
add a new field in a strucutre by tables include.
and put the code in exit function to populate your new field.