IW31 or IW32 Work Order Create - Component - Purchasing - Field GL_ACC

Question

I need to populate, or change, the GL Account number in custom logic whenever either Work Order  transaction - IW31 and IW32 - is executed under creating components when selecting the Purchasing button at the bottom. I would rather use a BADI than an exit, but if my only choice is an user-exit then I will. I have tried putting breakpoints in several processes in BADIs:
WORKORDER_UPDATE
IWO1_PREQ_BADI
IWO1_WKCTR_CHANGE
I have had no luck breaking into any of these when I am in the Purchasing screen of the IW32 after hitting enter. However, I do break into WORKORDER_UPDATE in the SAVE Process, but I need to break into the custom logic on an enter. To reiterate, my goal is to put custom logic that will replace a GL Account No., or create a GL Account No.
     Thank-You.

Answer 1

Hello Tom,
                 This happened me once for me. As per the BADi Functionality it it is not allowed by the customer to modify particular fields that SAP will erace automatically during the exit of the BADI.
Other assumptions :-
If it is an inetrnal table then you need to use the modify statement to save the data back to the internal table. If thsi BADI is being called multiple times then it will be a structure and not an internal table. So what you are doing is correct. But SAP logic is erasing that value during exit of the BADI as it is not allowed.
Thanks,
Greetson