SAP ABAP Table TCK21 (CO Object Functions) is used by

• Class (1)
• Domain (1)
• Function Module (7)
• Interface (1)
• Program (31)
• TYPE (1)

#	Object Type	Object Name	Object Description	Package	Structure Package	Software Component
1	Interface	IF_CO_PC_CO_OBJECT	CO Object in CO-PC	CKCO	APPL	SAP_FIN