SAP ABAP Table TTXBF (Correspondence Interface: Definition of Letter Categories) is used by

• Domain (1)
• Function Module (40)
• Program (130)
• Table (9)
• View (12)

#	Object Type	Object Name	Object Description	Package	Structure Package	Software Component
1	View	VTDTTXBF	Correspondence interface: Letters	FVV	APPL	SAP_APPL
2	View	VTDTTXBFM	Word processing: Letters (M/Text-specific view)	FVV	APPL	SAP_APPL
3	View	VTDTTXBR	Letter view maintenance for string search in SAPscript	FVVI	APPL	SAP_FIN
4	View	VTDTTXBS	Corresp.interface: Letter-module relationship	FVV	APPL	SAP_APPL
5	View	VTDTTXBSCOPY	Corresp.Interface: Letter-Module Relationship	FVVI	APPL	SAP_FIN
6	View	V_TDTTXBF	Correspondence Interface: Real Estate Letters	FVVI	APPL	SAP_FIN
7	View	V_TDTTXBSCOPY	Correspondence Interface: Letter-Module Relationship	FTLC	EA-FINSERV	EA-FINSERV
8	View	V_TTXADD	Correspondence: Definition Dialog Box	FTLC	EA-FINSERV	EA-FINSERV
9	View	V_TTXBFD	Correspondence Interface: Letters	FTLC	EA-FINSERV	EA-FINSERV
10	View	V_TTXBSD	Correspondence Interface: Letter-Module Relationship	FTLC	EA-FINSERV	EA-FINSERV
11	View	V_TZZKDD	Assign Documents, Correspondence Activities and Roles	FTLC	EA-FINSERV	EA-FINSERV
12	View	V_TZZKD_I	Correspondence Events: Allocate Partner and Letters RealEst.	FVVI	APPL	SAP_FIN