SAP ISM_WWW_IU_ALIAS_CHECK Function Module for IS-M: Check User Name for Internet User (Dependent on Category)

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ISM_WWW_IU_ALIAS_CHECK is a standard ism www iu alias check SAP function module available within SAP R/3 or S/4 Hana systems, depending on your version and release level. It is used for IS-M: Check User Name for Internet User (Dependent on Category) 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 ism www iu alias check FM, simply by entering the name ISM_WWW_IU_ALIAS_CHECK into the relevant SAP transaction such as SE37 or SE38.

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

Function ISM_WWW_IU_ALIAS_CHECK 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 'ISM_WWW_IU_ALIAS_CHECK'"IS-M: Check User Name for Internet User (Dependent on Category)
  EXPORTING
*  PV_USERALIAS =  "Internet User Alias
*  PV_ALIAS_HANDLING =  "IS-M: Setting to Determine User Name
*  PV_FM_ALIAS_SYSTEM =  "IS-M: Function Module for Generating an Alias/User Name

EXCEPTIONS
   ALIAS_MISSING = 1    NO_FM_FOR_ALIAS = 2    ALIAS_ALREADY_USED = 3 

.

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_SAPLJGWWW_001 IS-M: IAC: Identification of BP on Form with Further Data
EXIT_SAPLJGWWW_002 IS-M: IAC: Identification of BP on Logon Screen with Further Data
EXIT_SAPLJGWWW_003 IS-M/SD: User Exit for Converting Messages
EXIT_SAPLJGWWW_004 IS-M: Change Contents and Recipients of Mails with Access Data
EXIT_SAPLJGWWW_005 IS-M/SD: Default Value Determination for FI-CA Contract Account
EXIT_SAPLJGWWW_006 IS-M/SD: Create Sales Customer
EXIT_SAPLJGWWW_007 IS-M/SD: User Exit Create Subscription Order in Internet
EXIT_SAPLJGWWW_008

IMPORTING Parameters details for ISM_WWW_IU_ALIAS_CHECK

PV_USERALIAS - Internet User Alias

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

PV_ALIAS_HANDLING - IS-M: Setting to Determine User Name

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

PV_FM_ALIAS_SYSTEM - IS-M: Function Module for Generating an Alias/User Name

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

EXCEPTIONS details

ALIAS_MISSING -

Data type:
Optional: No
Call by Reference: Yes

NO_FM_FOR_ALIAS -

Data type:
Optional: No
Call by Reference: Yes

ALIAS_ALREADY_USED -

Data type:
Optional: No
Call by Reference: Yes

Copy and paste ABAP code example for ISM_WWW_IU_ALIAS_CHECK 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 ISM_WWW_IU_ALIAS_CHECK

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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