Isn't there a customer-exit at bottom of this tab, related to Enhancement LFDCB001 / EXIT_SAPLFDCB_001?
Dear,
Let's suppose that in details, you need the field: XREF3.
You have to follow the steps in CMOD:
IF xg_rbkpv IS INITIAL.
CALL FUNCTION 'MRM_SET_GET_IVEXT'
IMPORTING
es_rbkpv = xg_rbkpv.
ENDIF.
invfo-xref3 = xg_rbkpv-xref3.
5. In the Input (PROCESS AFTER INPUT), create a module, with the code:
xg_rbkpv-xref3 = invfo-xref3.
CALL FUNCTION 'MRM_SET_GET_IVEXT'
EXPORTING
is_rbkpv = xg_rbkpv.
Now, in case that you need custom fields, you should play with (the same field(s)) append structures in: 'INVFO', 'RBKP' & 'RBKP_V' & badi enhancement ('BADI_FDCB_SUBBAS01' or 02 or …).
Regards,
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