Adding info button in Selection screen/Input screen

Requirement:     Adding info button in selection screen next to execute button.

Note: Here in the same way you can add any button apart from Info button.

Based on requirement we need to copy respective GUI status into custom one.

TABLES: SSCRFIELDS.

AT SELECTION-SCREEN OUTPUT.
DATA: ls_exclude LIKE rsexfcode,
         LT_EXCLUDE LIKE TABLE OF RSEXFCODE,
         ls_submit_info TYPE rssubinfo.

CALL FUNCTION 'RS_SUBMIT_INFO'
   IMPORTING
     P_SUBMIT_INFO       = LS_SUBMIT_INFO.
            .
 CALL FUNCTION 'RS_SET_SELSCREEN_STATUS'
    EXPORTING
      p_status  = '1000'
      p_program = sy-repid
    TABLES
      p_exclude = LT_exclude
    EXCEPTIONS
      OTHERS    = 0

AT SELECTION-SCREEN.

IF SSCRFIELDS-UCOMM = 'INFOO'.

  CALL FUNCTION 'DSYS_SHOW_FOR_F1HELP'
          EXPORTING

            DOKCLASS                 = 'TX'

            DOKNAME                  = 'ZINFO_DOC'

         EXCEPTIONS
           CLASS_UNKNOWN            = 1
           OBJECT_NOT_FOUND         = 2
           OTHERS                   = 3.
*                  .
        IF SY-SUBRC = 0.

        MESSAGE 'Information Displayed Succesfully' TYPE 'S'.

        ENDIF.
        ENDIF.

START-OF-SELECTION.
  PERFORM get_values.

design GUI status  '1000' in SE41 as shown in below screenshots.

 A. go to SE41

give program name and click on copy  status button then provide info as shown below. and click enter

B. after dat give status as 1000 and click on change button inside in application tool bar delete unnecessary buttons and keep required buttons nly.

Most imp change the std fcode of info button from srch to u r desired fcode here am taken infoo.

after dat activate this gui status.

How to create documentation which we need to display when we click on info buton.

1. In SE61 create documentation with required information

give doc class as : General Text

name : zinfo_doc

click on create then text editor will open . inside write u r required information as shown in below screenshot.

Save.

Now we can use this documentation using F1 help fms.

DSYS_SHOW_FOR_F1HELP.