SAP ABAP Function Module KUNN2_CHECK (Prüfen der Kundennummer) is using

• Data Element (3)
• Table/Structure Field (11)
• Function Module (2)
• Message Class (1)
• Message Number (3)
• Table (8)

#	Object Type	Object Name	Object Description	Note
1	Table	KNA1	General Data in Customer Master	SOURCE REFERENCE(I_KUNNR) LIKE KNA1-KUNNR
2	Table	KNA1	General Data in Customer Master	SOURCE REFERENCE(I_KTOKD) LIKE KNA1-KTOKD
3	Table	KNVP	Customer Master Partner Functions	SOURCE REFERENCE(C_KNVP) LIKE KNVP
4	Table	KNVP	Customer Master Partner Functions	SOURCE T_KNVP STRUCTURE KNVP
5	Table	KNVP	Customer Master Partner Functions
6	Table	RF02D	Screen and work fields for maintaining customer master data	SOURCE REFERENCE(C_KTONR) LIKE RF02D-KTONR
7	Table	TPAR	Business Partner: Functions
8	Table	TPAR	Business Partner: Functions	SOURCE REFERENCE(I_TPAR) LIKE TPAR