SAP ABAP Function Module WRF_EM_PO_UPDATE (Build up tables for PO in update mode) is using

• Class (1)
• Data Element (12)
• Table/Structure Field (34)
• Function Module (2)
• Message Class (1)
• Message Number (1)
• Class Method (1)
• Table (9)

#	Object Type	Object Name	Object Description	Note
1	Table	/SAPTRX/AOTREF	Reference between application objects and event handlers
2	Table	EKKO	Purchasing Document Header	SOURCE REFERENCE(IM_EKKO) TYPE EKKO
3	Table	EKKO	Purchasing Document Header
4	Table	UEKET	Change Document Structure; Generated by RSSCD000
5	Table	UEKPO	Change Document Structure; Generated by RSSCD000
6	Table	WRF_PBAS_MSG_STY	Row Structure Type for Messages with Structure from ApplLog
7	Table	WRF_PRC_EM_EBELN_EBELP_STY	Purchasing Document Item Structure
8	Table	WRF_PSCD_DATELINE_HEAD_STY	Date Line Header
9	Table	WRF_PSCD_DATELINE_ITEM_STY	Date Line, Dates