SAP RSAH_BIW_CALL_SERVER Function Module for RFC Server module for calling the front end RFC server

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RSAH_BIW_CALL_SERVER is a standard rsah biw call server SAP function module available within SAP R/3 or S/4 Hana systems, depending on your version and release level. It is used for RFC Server module for calling the front end RFC server 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 rsah biw call server FM, simply by entering the name RSAH_BIW_CALL_SERVER into the relevant SAP transaction such as SE37 or SE38.

Function Group: RSAH
Program Name: SAPLRSAH
Main Program: SAPLRSAH
Appliation area: B
Release date: N/A
Mode(Normal, Remote etc): Remote-Enabled
Update:

Function RSAH_BIW_CALL_SERVER 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 'RSAH_BIW_CALL_SERVER'"RFC Server module for calling the front end RFC server
  EXPORTING
*  I_HIDE_SAPGUI =  "Single-Character Flag
   I_PROGID =  "Program Name (Complete Path)
   I_GWSERV =  "Gateway service
   I_GWHOST =  "Gateway Host Name

EXCEPTIONS
   INVALID_PROGRAM_ID = 1    SERVER_NOT_REGISTERED = 2    CONNECT_TO_GATEWAY_FAILED = 3    CONNECT_TO_REG_SERVER_FAILED = 4    CONNECTION_FAILED = 5 

.

IMPORTING Parameters details for RSAH_BIW_CALL_SERVER

I_HIDE_SAPGUI - Single-Character Flag

Data type: CHAR1
Optional: Yes
Call by Reference: No ( called with pass by value option)

I_PROGID - Program Name (Complete Path)

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

I_GWSERV - Gateway service

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

I_GWHOST - Gateway Host Name

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

EXCEPTIONS details

INVALID_PROGRAM_ID -

Data type:
Optional: No
Call by Reference: Yes

SERVER_NOT_REGISTERED -

Data type:
Optional: No
Call by Reference: Yes

CONNECT_TO_GATEWAY_FAILED -

Data type:
Optional: No
Call by Reference: Yes

CONNECT_TO_REG_SERVER_FAILED -

Data type:
Optional: No
Call by Reference: Yes

CONNECTION_FAILED -

Data type:
Optional: No
Call by Reference: Yes

Copy and paste ABAP code example for RSAH_BIW_CALL_SERVER 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 RSAH_BIW_CALL_SERVER

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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