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	Class Method	CL_MSR_TRC_FACTORY - GET_INSTANCE_RPO	Factory class for multistep returns
2	Class Method	CL_MSR_TRC_FACTORY - INIT	Factory class for multistep returns
3	Class Method	IF_MSR_TRC_RPO - GET_DATA	Multistep-returns interface to returns purchase order
4	Class Method	IF_PURCHASE_ORDER_ITEM_MM - GET_DATA	PO Item External View
5	Class Method	IF_PURCHASE_ORDER_MM - GET_DATA	PO Header External View
6	Class Method	IF_PURCHASE_ORDER_MM - GET_ITEMS	PO Header External View
7	Class Method	IF_PURCHASE_ORDER_MM - IS_PERSISTENT	PO Header External View