SAP ABAP Function Module WKA_PO_HISTORY (History of a Purchase Order line item) is using

• Data Element (4)
• Table/Structure Field (17)
• Function Module (2)
• Table (10)

#	Object Type	Object Name	Object Description	Note
1	Table	EKBE	History per Purchasing Document
2	Table	EKBZ	History per Purchasing Document: Delivery Costs
3	Table	EKKO	Purchasing Document Header	SOURCE REFERENCE(IM_EBELN) TYPE EKKO-EBELN
4	Table	EKKO	Purchasing Document Header
5	Table	EKPO	Purchasing Document Item	SOURCE REFERENCE(IM_BUKRS) TYPE EKPO-BUKRS
6	Table	EKPO	Purchasing Document Item
7	Table	EKPO	Purchasing Document Item	SOURCE REFERENCE(IM_WEBRE) TYPE EKPO-WEBRE
8	Table	EKPO	Purchasing Document Item	SOURCE REFERENCE(IM_EBELP) TYPE EKPO-EBELP
9	Table	WKAEKBE	Structure for WKA history	SOURCE ET_EKBE STRUCTURE WKAEKBE OPTIONAL
10	Table	WKAEKBZ	Structure for WKA history	SOURCE ET_EKBZ STRUCTURE WKAEKBZ OPTIONAL