How to add sub screen to each tab of IW21 ? ( Urgent )
I want to add some fields to each PM Notification tab (IW21/IW22/IW23)
Now I can use customer exit "QQMA0001 QM/PM/SM: User subscreen for notification header" for show my subscreen 0100. This have to config PM screen by select 090-customer sub screen to PM tab too.
I want to other subscreen 0110, 0120, ... etc. to each tab.
How I have to do ? Please explain me step by step.
Please help me.