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How to use enhancement ISQM001 / EXIT_SAPLIPW1_001

Hello experts,

I have a requirement to dynamically change the serial numbers generated per line item in a PO posted in MIGO. To test whether the exit would work, I tried posting two line items, debugged, and saw that the exit had a table TAB_SERNR that would accept inputs.

However, it seems that the breakpoint was only passed on the last item, and that the Serial Number I entered only took effect there and there didn't seem to be any opportunity to change the other line item/s. My result upon checking in IQ09:

361-001-0002 is the dummy serial number I entered for testing.

Am I missing something? TAB_SERNR didn't seem to have any primary keys to map serial numbers with so I'm not quite sure how to populate it correctly. How do I use it?

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  • Best Answer
    Posted on Feb 09, 2018 at 12:52 PM

    Are you asking on Enhancment IQSM0001?

    Did you add multiple records in the TAB_SERNR, if you only provide one, then

    "If fewer serial numbers than required are generated, due to the customer-specific program logic of this customer exit, the standard generation logic creates the remainaing serial numbers with consecutive, numerical keys."
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