SAP TR_WRITE_LOG Function Module for Write log

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TR_WRITE_LOG is a standard tr write log SAP function module available within SAP R/3 or S/4 Hana systems, depending on your version and release level. It is used for Write log processing and below is the pattern details for this FM, showing its interface including any import and export parameters, exceptions etc. there is also a full "cut and paste" ABAP pattern code example, along with implementation ABAP coding, documentation and contribution comments specific to this or related objects.

See here to view full function module documentation and code listing for tr write log FM, simply by entering the name TR_WRITE_LOG into the relevant SAP transaction such as SE37 or SE38.

Function Group: SLOG
Program Name: SAPLSLOG
Main Program: SAPLSLOG
Appliation area: S
Release date: 02-Jul-1997
Mode(Normal, Remote etc): Normal Function Module
Update:

Function TR_WRITE_LOG pattern details

In-order to call this FM within your sap programs, simply using the below ABAP pattern details to trigger the function call...or see the full ABAP code listing at the end of this article. You can simply cut and paste this code into your ABAP progrom as it is, including variable declarations.

CALL FUNCTION 'TR_WRITE_LOG'"Write log
  EXPORTING
*  IV_LOG_TYPE = 'FILE' "Log type: 'FILE', 'DB', 'MEMORY'
*  IV_LOGNAME_FILE =  "Name of log (file)
*  IV_LOGNAME_DB =  "Name of log (database)
*  IV_LOGNAME_MEMORY =  "Name of log (memory)
*  IV_APPEND_MODE = ' ' "Memory log: Append messages
*  IV_CONDENSE = 'X' "Lines are condensed

TABLES
   IT_MSGS =  "Table with messages

EXCEPTIONS
   INVALID_INPUT = 1    FILE_ACCESS_ERROR = 2    DB_ACCESS_ERROR = 3 

.

IMPORTING Parameters details for TR_WRITE_LOG

IV_LOG_TYPE - Log type: 'FILE', 'DB', 'MEMORY'

Data type: TRLOG_TYPE
Default: 'FILE'
Optional: Yes
Call by Reference: No ( called with pass by value option)

IV_LOGNAME_FILE - Name of log (file)

Data type: TSTRF01-FILE
Optional: Yes
Call by Reference: No ( called with pass by value option)

IV_LOGNAME_DB - Name of log (database)

Data type: DDPRH-PROTNAME
Optional: Yes
Call by Reference: No ( called with pass by value option)

IV_LOGNAME_MEMORY - Name of log (memory)

Data type: TSTRF01-FILENAME
Optional: Yes
Call by Reference: No ( called with pass by value option)

IV_APPEND_MODE - Memory log: Append messages

Data type: TRPARI-FLAG
Default: ' '
Optional: Yes
Call by Reference: No ( called with pass by value option)

IV_CONDENSE - Lines are condensed

Data type: TRPARI-FLAG
Default: 'X'
Optional: Yes
Call by Reference: No ( called with pass by value option)

TABLES Parameters details for TR_WRITE_LOG

IT_MSGS - Table with messages

Data type: SPROT_U
Optional: No
Call by Reference: No ( called with pass by value option)

EXCEPTIONS details

INVALID_INPUT - Invalid entry

Data type:
Optional: No
Call by Reference: No ( called with pass by value option)

FILE_ACCESS_ERROR - Error accessing file

Data type:
Optional: No
Call by Reference: No ( called with pass by value option)

DB_ACCESS_ERROR - Error Accessing Database

Data type:
Optional: No
Call by Reference: No ( called with pass by value option)

Copy and paste ABAP code example for TR_WRITE_LOG Function Module

The ABAP code below is a full code listing to execute function module POPUP_TO_CONFIRM including all data declarations. The code uses the original data declarations rather than the latest in-line data DECLARATION SYNTAX but I have included an ABAP code snippet at the end to show how declarations would look using the newer method of declaring data variables on the fly. This will allow you to compare and fully understand the new inline method. Please note some of the newer syntax such as the @DATA is not available until a later 4.70 service pack (SP8), which i why i have stuck to the origianl for this example.

ABAP code using 7.40 inline data declarations to call FM TR_WRITE_LOG

The below ABAP code uses the newer in-line data declarations. This allows you to see the coding differences/benefits of the later inline syntax. Please note some of the newer syntax below, such as the @DATA is not available until 4.70 EHP 8.

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