SAP ABAP Data Element DOCTYPE_KK (Document Type) is used by

• Class (7)
• Function Module (4)
• Program (2)
• Search Help (1)
• Table (23)
• View (5)

#	Object Type	Object Name	Object Description	Package	Structure Package	Software Component
1	Class	CL_FKKINV_BILLCUST	Customizing Buffer for Billing Document	FKKINV	FI-CA	FI-CA
2	Class	CL_FMCAINV_BAPIBILL	Transfer External Billing Document	FMCA_INV	IS-PS-CA	IS-PS-CA
3	Class	CL_FMCAINV_BAPIBILL_REVERSE	Reverse billing document	FMCA_INV	IS-PS-CA	IS-PS-CA
4	Class	CL_INV_BAPIBILL	Class for Billing document create	FSCR_INV	FI-CAX	FI-CAX
5	Class	CL_INV_BAPIBILL_REVERSE	Class for Billing document reversal	FSCR_INV	FI-CAX	FI-CAX
6	Class	CL_ISTINV_BAPIBILL	Copy External Billing Document	IS_T_INV	IS-T	IS-UT
7	Class	CL_ISTINV_BAPIBILL_REVERSE	Reverse Billing Document	IS_T_INV	IS-T	IS-UT