SAP ABAP Program RHDESC20 (Object Description: Main Program) is using

• Class (5)
• Data Element (5)
• Table/Structure Field (158)
• Function Module (20)
• Message Class (3)
• Message Number (4)
• Class Method (4)
• Program (13)
• Table (38)

#	Object Type	Object Name	Object Description	Note
1	Class	CL_ALV_TREE_BASE	Basis Class ALV Tree Control
2	Class	CL_GUI_ALV_TREE	ALV Tree Control
3	Class	CL_GUI_CFW	Control Framework Basic Class
4	Class	CL_GUI_CUSTOM_CONTAINER	Container for Custom Controls in the Screen Area
5	Class	CL_HROM_RHDESC20_EVENTS	Events from RHDESC20