SAP FUNCTION_GENERATE_INTERFACE Function Module for

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FUNCTION_GENERATE_INTERFACE is a standard function generate interface 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 function generate interface FM, simply by entering the name FUNCTION_GENERATE_INTERFACE into the relevant SAP transaction such as SE37 or SE38.

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

Function FUNCTION_GENERATE_INTERFACE 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 'FUNCTION_GENERATE_INTERFACE'"
  EXPORTING
*  FUNCNAME =  "
*  GLOBAL = ' ' "Global interface ID
*  V_INCLUDE =  "ABAP Program Name
*  EXCEPTION_CLASS = ' ' "

 IMPORTING
   IT_STUB =  "Source Code

TABLES
   IFUPARAREF =  "
   ISOURCE =  "ABAP Source Line

EXCEPTIONS
   FUNCTION_NAME_MISSING = 1 

.

IMPORTING Parameters details for FUNCTION_GENERATE_INTERFACE

FUNCNAME -

Data type: RS38L-NAME
Optional: Yes
Call by Reference: No ( called with pass by value option)

GLOBAL - Global interface ID

Data type: ENLFDIR-GLOBAL
Default: SPACE
Optional: No
Call by Reference: Yes

V_INCLUDE - ABAP Program Name

Data type: RSNEWLENG-PROGRAMM
Optional: Yes
Call by Reference: Yes

EXCEPTION_CLASS -

Data type: ENLFDIR-EXTEN3
Default: SPACE
Optional: Yes
Call by Reference: No ( called with pass by value option)

EXPORTING Parameters details for FUNCTION_GENERATE_INTERFACE

IT_STUB - Source Code

Data type: RSFB_SOURCE
Optional: No
Call by Reference: Yes

TABLES Parameters details for FUNCTION_GENERATE_INTERFACE

IFUPARAREF -

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

ISOURCE - ABAP Source Line

Data type: RSWSOURCET
Optional: No
Call by Reference: Yes

EXCEPTIONS details

FUNCTION_NAME_MISSING -

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

Copy and paste ABAP code example for FUNCTION_GENERATE_INTERFACE 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 FUNCTION_GENERATE_INTERFACE

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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