SAP LAYMOD_UPDATE Function Module for Update Layout Module









LAYMOD_UPDATE is a standard laymod update SAP function module available within SAP R/3 or S/4 Hana systems, depending on your version and release level. It is used for Update Layout Module 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 laymod update FM, simply by entering the name LAYMOD_UPDATE into the relevant SAP transaction such as SE37 or SE38.

Function Group: WLAY_BAPI
Program Name: SAPLWLAY_BAPI
Main Program: SAPLWLAY_BAPI
Appliation area: W
Release date: N/A
Mode(Normal, Remote etc): Normal Function Module
Update:



Function LAYMOD_UPDATE 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 'LAYMOD_UPDATE'"Update Layout Module
  EXPORTING
*  I_TWML =  "Layout Module

TABLES
*  T_TWMLT =  "Structure: Layout Module Text
*  T_WLMV =  "Validity and Status of Layout Module Versions
*  T_WLVA =  "Assignment Table for Layout Module Variants for Stores

EXCEPTIONS
   UPDATE_ERROR = 1
.



IMPORTING Parameters details for LAYMOD_UPDATE

I_TWML - Layout Module

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

TABLES Parameters details for LAYMOD_UPDATE

T_TWMLT - Structure: Layout Module Text

Data type: TWMLT_STRUC
Optional: Yes
Call by Reference: Yes

T_WLMV - Validity and Status of Layout Module Versions

Data type: WLMV_STRUC
Optional: Yes
Call by Reference: Yes

T_WLVA - Assignment Table for Layout Module Variants for Stores

Data type: WLVA_STRUC
Optional: Yes
Call by Reference: Yes

EXCEPTIONS details

UPDATE_ERROR - Error During Update

Data type:
Optional: No
Call by Reference: Yes

Copy and paste ABAP code example for LAYMOD_UPDATE 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_i_twml  TYPE TWML_STRUC, "   
lt_t_twmlt  TYPE STANDARD TABLE OF TWMLT_STRUC, "   
lv_update_error  TYPE TWMLT_STRUC, "   
lt_t_wlmv  TYPE STANDARD TABLE OF WLMV_STRUC, "   
lt_t_wlva  TYPE STANDARD TABLE OF WLVA_STRUC. "   

  CALL FUNCTION 'LAYMOD_UPDATE'  "Update Layout Module
    EXPORTING
         I_TWML = lv_i_twml
    TABLES
         T_TWMLT = lt_t_twmlt
         T_WLMV = lt_t_wlmv
         T_WLVA = lt_t_wlta
    EXCEPTIONS
        UPDATE_ERROR = 1
. " LAYMOD_UPDATE




ABAP code using 7.40 inline data declarations to call FM LAYMOD_UPDATE

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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