SAP ABAP Function Module WSUBST_PO_CHANGE (Erweiterung der Bestellung) is using

• Data Element (5)
• Table/Structure Field (22)
• Function Module (3)
• Message Class (1)
• Message Number (1)
• Table (7)

#	Object Type	Object Name	Object Description	Note
1	Table/Structure Field	BAPIMEPOITEM - PO_ITEM	Item Number of Purchasing Document
2	Table/Structure Field	EKET - EBELN	Purchasing Document Number
3	Table/Structure Field	EKET - EBELP	Item Number of Purchasing Document
4	Table/Structure Field	EKET - EINDT	Item delivery date
5	Table/Structure Field	EKETDATA - EINDT	Item delivery date
6	Table/Structure Field	EKPO - EBELN	Purchasing Document Number
7	Table/Structure Field	EKPO - EBELP	Item Number of Purchasing Document
8	Table/Structure Field	EKPO - PSTYP	Item category in purchasing document
9	Table/Structure Field	EKPO - WERKS	Plant
10	Table/Structure Field	EKPODATA - PSTYP	Item category in purchasing document
11	Table/Structure Field	EKPODATA - WERKS	Plant
12	Table/Structure Field	SYST - MSGID	ABAP System Field: Message ID
13	Table/Structure Field	SYST - MSGV2	ABAP System Field: Message Variable
14	Table/Structure Field	SYST - MSGNO	ABAP System Field: Message Number
15	Table/Structure Field	WSUBST_SUBSTITION_DATA_STY - DOC_ITEM_SUBST	Item Number Substitute Material
16	Table/Structure Field	WSUBST_SUBSTITION_DATA_STY - DOC_NUMBER_SUBST	Document Number Substitute Material
17	Table/Structure Field	WSUBST_SUBSTITION_KEY_DATA_STY - DOC_ITEM_ORIG	Original Material Item Number
18	Table/Structure Field	WSUBST_SUBSTITION_KEY_DATA_STY - DOC_NUMBER_ORIG	Document Number Original Material
19	Table/Structure Field	WSUBST_WORKLST - DOC_ITEM_ORIG	Original Material Item Number
20	Table/Structure Field	WSUBST_WORKLST - DOC_ITEM_SUBST	Item Number Substitute Material
21	Table/Structure Field	WSUBST_WORKLST - DOC_NUMBER_ORIG	Document Number Original Material
22	Table/Structure Field	WSUBST_WORKLST - DOC_NUMBER_SUBST	Document Number Substitute Material