SAP ABAP Function Module BBP_ICC_NF_GET_DOCREF (Get original NF number) is using

• Data Element (6)
• Table/Structure Field (16)
• Function Module (2)
• Message Class (1)
• Message Number (1)
• Table (2)

#	Object Type	Object Name	Object Description	Note
1	Table	EKBE	History per Purchasing Document
2	Table	J_1BNFDOC	Nota Fiscal Header