SAP ABAP Function Module MSR_PROCESS_PO_OPEN (Open MSR Order) is using

• Class (2)
• Data Element (3)
• Table/Structure Field (16)
• Function Module (1)
• Interface (5)
• Class Method (7)
• Table (6)

#	Object Type	Object Name	Object Description	Note
1	Table	MEPOHEADER	Purchase Order Header Data
2	Table	MEPOITEM	Purchase Order Item
3	Table	MSR_MEPO_HEADER	MSR: MEPO Header
4	Table	MSR_S_COMM_CTRL_APPL	Multi-step returns: data exchange with applications
5	Table	PURCHASE_ORDER_ITEM	Purchase Order Item
6	Table	T161	Purchasing Document Types