SAP ABAP Data Element WLF_WBELN_TO (Follow-On Document (Agency Document) for Reference Document) is used by

• Interface (1)
• Table (3)

#	Object Type	Object Name	Object Description	Package	Structure Package	Software Component
1	Table	KOMLFFN - WBELNN	Communictn Structure - Document Flow Data - Reference Doc.	WZRE	APPL	SAP_APPL
2	Table	WBRFN - WBELNN	Document Flow of Reference Document to Agency Document	WZRE	APPL	SAP_APPL
3	Table	WBRFNVB - WBELNN	Posting Structure for Document Data Flow of Reference Docs	WZRE	APPL	SAP_APPL