SAP FUNCTION_EXISTS Function Module for Function module: Check existence and Find Function Group

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FUNCTION_EXISTS is a standard function exists SAP function module available within SAP R/3 or S/4 Hana systems, depending on your version and release level. It is used for Function module: Check existence and Find Function Group 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 function exists FM, simply by entering the name FUNCTION_EXISTS into the relevant SAP transaction such as SE37 or SE38.

Function Group: SUNI
Program Name: SAPLSUNI
Main Program: SAPLSUNI
Appliation area: S
Release date: 28-Nov-1994
Mode(Normal, Remote etc): Remote-Enabled
Update:

Function FUNCTION_EXISTS 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_EXISTS'"Function module: Check existence and Find Function Group
  EXPORTING
   FUNCNAME =  "Name of Function Module

 IMPORTING
   GROUP =  "Name of function group
   INCLUDE =  "Name of include
   NAME' ' =  "Namespace
   STR_AREA =  "Name of function group without namespace

EXCEPTIONS
   FUNCTION_NOT_EXIST = 1 

.

IMPORTING Parameters details for FUNCTION_EXISTS

FUNCNAME - Name of Function Module

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

EXPORTING Parameters details for FUNCTION_EXISTS

GROUP - Name of function group

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

INCLUDE - Name of include

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

NAMESPACE - Namespace

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

STR_AREA - Name of function group without namespace

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

EXCEPTIONS details

FUNCTION_NOT_EXIST - X

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

Copy and paste ABAP code example for FUNCTION_EXISTS 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_EXISTS

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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