SAP ABAP Table/Structure Field CKBS - EXTNR (CKBS) is used by

• Class (1)
• ENQU (2)
• Function Module (37)
• Program (39)
• TYPE (4)

#	Object Type	Object Name	Object Description	Package	Structure Package	Software Component
1	ENQU	EKCKBSE	EKCKBSE	KKEK	APPL	SAP_FIN
2	ENQU	EXTNR	EXTNR