Using method MB_DOCUMENT_UPDATE of MB_DOCUMENT_BADI

Hello dear friends!
I 'm trying to use the method MB_DOCUMENT_UPDATE for MB1B, but this method is not acessed when I'm using the transaction. I've tried to debug but it only pass in the code of the method MB_DOCUMENT_BEFORE_UPDATE.
I need to create a file with the number of Billing note, and this method don't have the documents numbers yet. Anyone can help me about the use of MB_DOCUMENT_UPDATE? Anyone have used this method?
Thanks a lot,
Diogo.

Hi Diago,
Did you implement the badi definition in SE19 transaction?
YOu must implement and activate the badi implementation in order that Badi gets triggered in the transaction.
Regards,
Ravi Kanth Talagana

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