SAP ABAP Program CNV_20800_EXTERN (To get the scenerio) is using

• Class (2)
• Data Element (14)
• Table/Structure Field (14)
• Interface (1)
• Class Method (3)
• Program (4)
• Table (6)

#	Object Type	Object Name	Object Description	Note
1	Class	CL_CNV_20800_CHKOBJ_KUNNR	Checking Mapping for customer number
2	Class	CX_ROOT	Abstract Superclass for All Global Exceptions