SAP ABAP Function Module F4_HELP_PREDECESSOR (F4-Hilfe für die Ermittlung von Vorgängern) is using

• Table/Structure Field (16)
• Function Module (3)
• Table (5)

#	Object Type	Object Name	Object Description	Note
1	Table	BUS0RLTYP	BP: BP Role Structure
2	Table	DDSHRETVAL	Interface Structure Search Help <-> Help System
3	Table	DYNPREAD	Fields of the current screen (with values)
4	Table	EHSWAS001	MD (BDT): Generator/Disposer/Transporter
5	Table	EHSWAS_LOG_SUCCESSORS	Successor of a Node