SAP APPL_LOG_WRITE_MESSAGES Function Module for Application log: Enter messages without parameter

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APPL_LOG_WRITE_MESSAGES is a standard appl log write messages SAP function module available within SAP R/3 or S/4 Hana systems, depending on your version and release level. It is used for Application log: Enter messages without parameter 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 appl log write messages FM, simply by entering the name APPL_LOG_WRITE_MESSAGES into the relevant SAP transaction such as SE37 or SE38.

Function Group: SLG0
Program Name: SAPLSLG0
Main Program: SAPLSLG0
Appliation area: S
Release date: 22-Dec-1994
Mode(Normal, Remote etc): Normal Function Module
Update:

Function APPL_LOG_WRITE_MESSAGES 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 'APPL_LOG_WRITE_MESSAGES'"Application log: Enter messages without parameter
  EXPORTING
*  OBJECT = ' ' "Object name
*  SUBOBJECT = ' ' "Sub-object name
*  LOG_HANDLE = ' ' "Log handle
*  UPDATE_OR_INSERT = 'U' "Change (U) or insert (I) message flag

TABLES
   MESSAGES =  "Internal table with messages, etc.

EXCEPTIONS
   OBJECT_NOT_FOUND = 1    SUBOBJECT_NOT_FOUND = 2    LOG_IS_FULL = 3 

.

IMPORTING Parameters details for APPL_LOG_WRITE_MESSAGES

OBJECT - Object name

Data type: BALHDR-OBJECT
Default: SPACE
Optional: Yes
Call by Reference: No ( called with pass by value option)

SUBOBJECT - Sub-object name

Data type: BALHDR-SUBOBJECT
Default: SPACE
Optional: Yes
Call by Reference: No ( called with pass by value option)

LOG_HANDLE - Log handle

Data type: BALHDR-LOG_HANDLE
Default: SPACE
Optional: Yes
Call by Reference: No ( called with pass by value option)

UPDATE_OR_INSERT - Change (U) or insert (I) message flag

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

TABLES Parameters details for APPL_LOG_WRITE_MESSAGES

MESSAGES - Internal table with messages, etc.

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

EXCEPTIONS details

OBJECT_NOT_FOUND - Object not found

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

SUBOBJECT_NOT_FOUND - Subobject not found

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

LOG_IS_FULL - 999999 messages; log is full

Data type:
Optional: No
Call by Reference: Yes

Copy and paste ABAP code example for APPL_LOG_WRITE_MESSAGES 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 APPL_LOG_WRITE_MESSAGES

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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