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Function help_start

Update:11-30Source: network consolidation
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I have create a documentation for my program. Furthermore I have create a button on the dynpro where I execute the dunction help_start. But when I look to the window which will be open after the click on the button I only see an empty window for the documentation only with the title.
How can I add the documentation of the program to the function?
I use following coding:
    WHEN 'INFO'.
      DATA: ls_help_info LIKE help_info,
            lt_dselc     LIKE dselc OCCURS 0,
            lt_dval      LIKE dval OCCURS 0.
      ls_help_info-call   = 'D'.
      ls_help_info-object = 'N'.
      ls_help_info-spras  = sy-langu.
      ls_help_info-docuid = 'RE'.
      ls_help_info-report = text-001.
      CALL FUNCTION 'HELP_START'
        EXPORTING
          help_infos   = ls_help_info
        TABLES
          dynpselect   = lt_dselc
          dynpvaluetab = lt_dval
        EXCEPTIONS
          OTHERS       = 1.
  ENDCASE.

The Best Answer

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Hi,
Check this Fm
CALL FUNCTION 'DSYS_SHOW_FOR_F1HELP'
           EXPORTING
                DOKCLASS           = 'RE'
                DOKNAME            = <Reportname>
                SHORT_TEXT         = 'X'
           EXCEPTIONS
                OTHERS             = 1.
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