SAP ABAP Program L2012F21 (External Services Management: Interface -> Internal Structures) is using

• Class (5)
• Data Element (1)
• Table/Structure Field (59)
• Function Module (7)
• Interface (3)
• Message Class (1)
• Message Number (1)
• Class Method (6)
• Table (21)

#	Object Type	Object Name	Object Description	Note
1	Class Method	CL_EVENT_MM - SET_CURRENT_BUSINESS_OBJ	Event Handling
2	Class Method	CL_EVENT_MM - SET_CURRENT_CONTEXT	Event Handling
3	Class Method	CL_MESSAGE_MM - CREATE	Message
4	Class Method	CL_MMPUR_CONSTANTS - GET_INSTANCE	Constants Purchasing
5	Class Method	CL_MMPUR_MEPO_DB_UTILITY - GET_INSTANCE	MEPO Database Accesses
6	Class Method	CL_MMPUR_MEPO_DB_UTILITY - GET_T165	MEPO Database Accesses