SAP ABAP Function Module ISIDE_CE_PO_LOCK (Request lock for purchase doc.) is using

• Data Element (3)
• Table/Structure Field (5)
• Function Module (2)
• Message Class (1)
• Message Number (1)
• Table (2)

#	Object Type	Object Name	Object Description	Note
1	Table/Structure Field	BAPIEKKO - PO_NUMBER	Purchasing Document Number	SOURCE VALUE(IF_SELECTION_PO_NUMBER) TYPE BAPIEKKO-PO_NUMBER
2	Table/Structure Field	BAPIEKKO - PO_NUMBER	Purchasing Document Number
3	Table/Structure Field	BAPIEKPO - PO_ITEM	Item Number of Purchasing Document
4	Table/Structure Field	BAPIEKPO - PO_ITEM	Item Number of Purchasing Document	SOURCE VALUE(IF_SELECTION_PO_ITEM) TYPE BAPIEKPO-PO_ITEM
5	Table/Structure Field	SYST - MANDT	ABAP System Field: Client ID of Current User