SAP ABAP Function Module TR_WRITE_LOG (Write log) is using

• Data Element (3)
• Table/Structure Field (16)
• Function Module (2)
• Message Class (1)
• Message Number (2)
• Table (6)

#	Object Type	Object Name	Object Description	Note
1	Table	DDPRH	R/3 DD: Log header	SOURCE VALUE(IV_LOGNAME_DB) LIKE DDPRH-PROTNAME OPTIONAL
2	Table	SPROT_U	Log Generation Interface	SOURCE IT_MSGS STRUCTURE SPROT_U
3	Table	TRPARI	Import/Export Parameters for Internal Correction Interfaces	SOURCE VALUE(IV_CONDENSE) LIKE TRPARI-FLAG DEFAULT 'X'
4	Table	TRPARI	Import/Export Parameters for Internal Correction Interfaces	SOURCE VALUE(IV_APPEND_MODE) LIKE TRPARI-FLAG DEFAULT ' '
5	Table	TSTRF01	Interface of the Function Group STRF	SOURCE VALUE(IV_LOGNAME_FILE) LIKE TSTRF01-FILE OPTIONAL
6	Table	TSTRF01	Interface of the Function Group STRF	SOURCE VALUE(IV_LOGNAME_MEMORY) LIKE TSTRF01-FILENAME OPTIONAL