SAP ALINK_WRITE_LOG Function Module for
ALINK_WRITE_LOG is a standard alink 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 to perform a specific ABAP function and below is the pattern details, 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 alink write log FM, simply by entering the name ALINK_WRITE_LOG into the relevant SAP transaction such as SE37 or SE38.
Function Group: ALINK_LOGGING
Program Name: SAPLALINK_LOGGING
Main Program: SAPLALINK_LOGGING
Appliation area:
Release date: N/A
Mode(Normal, Remote etc): Normal Function Module
Update:

Function ALINK_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 'ALINK_WRITE_LOG'".
EXPORTING
LOGAREA = "Subobject for ArchiveLink Logging
* LFUNCTION = 'R' "
* LUSER = SY-UNAME "SAP System, User Logon Name
* LDATE = SY-DATUM "Date Data Element for SYST
* LTIME = SY-UZEIT "Date and Time, Current Application Server Time
* TOAV0 = "SAP ArchiveLink: Link Table
* TOADL = "SAP ArchiveLink print lists
* LBARCODE = "Character Field of Length 40
IMPORTING
WRITTEN = "Single-Character Flag
EXCEPTIONS
ERROR_PARAMETER = 1 ERROR_DDIC = 2
IMPORTING Parameters details for ALINK_WRITE_LOG
LOGAREA - Subobject for ArchiveLink Logging
Data type: SAESOBJOptional: No
Call by Reference: No ( called with pass by value option)
LFUNCTION -
Data type: CDefault: 'R'
Optional: No
Call by Reference: No ( called with pass by value option)
LUSER - SAP System, User Logon Name
Data type: SYUNAMEDefault: SY-UNAME
Optional: Yes
Call by Reference: No ( called with pass by value option)
LDATE - Date Data Element for SYST
Data type: SYDATUMDefault: SY-DATUM
Optional: Yes
Call by Reference: No ( called with pass by value option)
LTIME - Date and Time, Current Application Server Time
Data type: SYUZEITDefault: SY-UZEIT
Optional: Yes
Call by Reference: No ( called with pass by value option)
TOAV0 - SAP ArchiveLink: Link Table
Data type: TOAV0Optional: Yes
Call by Reference: No ( called with pass by value option)
TOADL - SAP ArchiveLink print lists
Data type: TOADLOptional: Yes
Call by Reference: No ( called with pass by value option)
LBARCODE - Character Field of Length 40
Data type: CHAR40Optional: Yes
Call by Reference: No ( called with pass by value option)
EXPORTING Parameters details for ALINK_WRITE_LOG
WRITTEN - Single-Character Flag
Data type: BOOLOptional: No
Call by Reference: No ( called with pass by value option)
EXCEPTIONS details
ERROR_PARAMETER - Data invalid
Data type:Optional: No
Call by Reference: No ( called with pass by value option)
ERROR_DDIC - Error in database operation
Data type:Optional: No
Call by Reference: No ( called with pass by value option)
Copy and paste ABAP code example for ALINK_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.| DATA: | ||||
| lv_logarea | TYPE SAESOBJ, " | |||
| lv_written | TYPE BOOL, " | |||
| lv_error_parameter | TYPE BOOL, " | |||
| lv_lfunction | TYPE C, " 'R' | |||
| lv_error_ddic | TYPE C, " | |||
| lv_luser | TYPE SYUNAME, " SY-UNAME | |||
| lv_ldate | TYPE SYDATUM, " SY-DATUM | |||
| lv_ltime | TYPE SYUZEIT, " SY-UZEIT | |||
| lv_toav0 | TYPE TOAV0, " | |||
| lv_toadl | TYPE TOADL, " | |||
| lv_lbarcode | TYPE CHAR40. " |
|   CALL FUNCTION 'ALINK_WRITE_LOG' " |
| EXPORTING | ||
| LOGAREA | = lv_logarea | |
| LFUNCTION | = lv_lfunction | |
| LUSER | = lv_luser | |
| LDATE | = lv_ldate | |
| LTIME | = lv_ltime | |
| TOAV0 | = lv_toav0 | |
| TOADL | = lv_toadl | |
| LBARCODE | = lv_lbarcode | |
| IMPORTING | ||
| WRITTEN | = lv_written | |
| EXCEPTIONS | ||
| ERROR_PARAMETER = 1 | ||
| ERROR_DDIC = 2 | ||
| . " ALINK_WRITE_LOG | ||
ABAP code using 7.40 inline data declarations to call FM ALINK_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.| DATA(ld_lfunction) | = 'R'. | |||
| DATA(ld_luser) | = SY-UNAME. | |||
| DATA(ld_ldate) | = SY-DATUM. | |||
| DATA(ld_ltime) | = SY-UZEIT. | |||
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