SAP GET_WM_PACK_SN Function Module for Validation of material serial number to be packed into HU in WM

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GET_WM_PACK_SN is a standard get wm pack sn SAP function module available within SAP R/3 or S/4 Hana systems, depending on your version and release level. It is used for Validation of material serial number to be packed into HU in WM 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 get wm pack sn FM, simply by entering the name GET_WM_PACK_SN into the relevant SAP transaction such as SE37 or SE38.

Function Group: LMGT
Program Name: SAPLLMGT
Main Program: SAPLLMGT
Appliation area: L
Release date: N/A
Mode(Normal, Remote etc): Normal Function Module
Update:

Function GET_WM_PACK_SN 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 'GET_WM_PACK_SN'"Validation of material serial number to be packed into  HU in WM
  EXPORTING
   I_MAT_ID =  "HU external ID
   I_SER_NR =  "
   I_LGNUM =  "
   I_LGTYP =  "
   I_LGPLA =  "
   I_WERKS =  "

TABLES
   T_HU_ITEMS =  "VEKP + desc of pack material from MAKT

EXCEPTIONS
   MAT_NOT_FOUND = 1    SERNR_NOT_FOUND = 2 

.

Customer Function user exits

Below is a list of CUSTOMER FUNCTION exit user exits that are available within this program and maybe relevant for this FM.
EXIT_SAPLLMGT_001 Extension for barcode translation
EXIT_SAPLLMGT_083 User exit for print

IMPORTING Parameters details for GET_WM_PACK_SN

I_MAT_ID - HU external ID

Data type: LQUA-MATNR
Optional: No
Call by Reference: Yes

I_SER_NR -

Data type: RLMOB-CSERNR
Optional: No
Call by Reference: Yes

I_LGNUM -

Data type: LQUA-LGNUM
Optional: No
Call by Reference: Yes

I_LGTYP -

Data type: LQUA-LGTYP
Optional: No
Call by Reference: Yes

I_LGPLA -

Data type: LQUA-LGPLA
Optional: No
Call by Reference: Yes

I_WERKS -

Data type: LQUA-WERKS
Optional: No
Call by Reference: Yes

TABLES Parameters details for GET_WM_PACK_SN

T_HU_ITEMS - VEKP + desc of pack material from MAKT

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

EXCEPTIONS details

MAT_NOT_FOUND - Handling unit does not exists in WM

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

SERNR_NOT_FOUND -

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

Copy and paste ABAP code example for GET_WM_PACK_SN 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 GET_WM_PACK_SN

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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