... you want to organize such event, then I'll point all needs and steps, so you can see if maybe you can organize such event also.
So starting from the beginning:
1. Get the support of your manager ...
... used and then GOS manager is used to call directly attachment list. FUNCTION Z_AB_QM_SHOW_ATTACHMENT.
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*"*"Local Interface: ...
... mode). When you develop own transaction and you use GOS for standard or Z object then there is a possibility to omit that restriction, as during creation of GOS manager you can assign temporary object ...
... of Attachments article you can connect to GOS from class CL_PO_HEADER_HANDLE_MM which contains method GET_GOS_MANAGER. You can do it for example in PROCESS_ITEM method of ME_PROCESS_PO_CUST . You'll ...