SAP ABAP Program LMECPD04 (communication classes Definition) is using

• Class (8)
• Data Element (3)
• Interface (7)
• Class Method (10)
• Table (5)

#	Object Type	Object Name	Object Description	Note
1	Class	CL_BASIC_MODEL_VIEW_MM	Basic Model View
2	Class	CL_COMPOSITE_SCREEN_VIEW_MM	View for Screen with Subscreens
3	Class	CL_ENVIRONMENT_FUNCTIONS_MM	Environment Functions: Purchasing
4	Class	CL_EVENT_MM	Event Handling
5	Class	CL_FRAMEWORK_MM	Register Views and Dispatch Events
6	Class	CL_MESSAGE_HANDLER_MM	Message Handler
7	Class	CL_MODEL_VIEW_MM	Model View
8	Class	CL_SCREEN_VIEW_MM	Screen View