SAP CONTROL_REGISTER_EXTERNFORM Function Module for Call back registration (obj, event)

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CONTROL_REGISTER_EXTERNFORM is a standard control register externform SAP function module available within SAP R/3 or S/4 Hana systems, depending on your version and release level. It is used for Call back registration (obj, event) 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 control register externform FM, simply by entering the name CONTROL_REGISTER_EXTERNFORM into the relevant SAP transaction such as SE37 or SE38.

Function Group: CNT0
Program Name: SAPLCNT0
Main Program:
Appliation area: S
Release date: N/A
Mode(Normal, Remote etc): Normal Function Module
Update:

Function CONTROL_REGISTER_EXTERNFORM 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 'CONTROL_REGISTER_EXTERNFORM'"Call back registration (obj, event)
  EXPORTING
   EVENT =  "
*  CALLBACK_PROG = ' ' "
   CALLBACK_FORM =  "
*  IS_SYSTEM_CALLBACK = ' ' "

 IMPORTING
   CALLBACK_ID =  "

CHANGING
   H_CONTROL =  "

EXCEPTIONS
   CB_NOT_FOUND = 1    INV_CALLBACK_DEFINITION = 2 

.

IMPORTING Parameters details for CONTROL_REGISTER_EXTERNFORM

EVENT -

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

CALLBACK_PROG -

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

CALLBACK_FORM -

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

IS_SYSTEM_CALLBACK -

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

EXPORTING Parameters details for CONTROL_REGISTER_EXTERNFORM

CALLBACK_ID -

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

CHANGING Parameters details for CONTROL_REGISTER_EXTERNFORM

H_CONTROL -

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

EXCEPTIONS details

CB_NOT_FOUND -

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

INV_CALLBACK_DEFINITION -

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

Copy and paste ABAP code example for CONTROL_REGISTER_EXTERNFORM 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 CONTROL_REGISTER_EXTERNFORM

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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