Function module for f4 help in presentaion server and application server.

Question

hi guys,
I need to create a function module that will get the file or folder name by f4 help for the file in the presentation server or  application server based on the location selected.
For this function module what are the minimum impot parametrs  and export parameters required.
i have tried with 'f4_filename' for presentation server
and '/SAPDMC/LSM_F4_SERVER_FILE' for application server.
but i am not able to get this.
can any one help me in this regard ?
cheers,
kumar.

Answer 1

hi use like this ..
  if p_presvr = 'X'.
*-- if the file is to be downloaded to presentation server
    call function '/SAPDMC/LSM_F4_FRONTEND_FILE'
      changing
        pathfile         = p_file
      exceptions
        canceled_by_user = 1
        system_error     = 2
        others           = 3.
    if sy-subrc <> 0.
      if sy-batch = 'X'.
        message id sy-msgid type 'S' number sy-msgno
                with sy-msgv1 sy-msgv2 sy-msgv3 sy-msgv4 into v_msg.
        write / v_msg.
        clear v_msg.
        stop.
      else.
        message id sy-msgid type 'S' number sy-msgno
                  with sy-msgv1 sy-msgv2 sy-msgv3 sy-msgv4.
      endif.
    endif.
  else.
*-- if the file is to be downloaded to application server
    call function '/SAPDMC/LSM_F4_SERVER_FILE'
      exporting
        directory        = '/'
        filemask         = '*'
      importing
        serverfile       = p_file
      exceptions
        canceled_by_user = 1
        others           = 2.
    if sy-subrc <> 0.
      if sy-batch = 'X'.
        message id sy-msgid type 'S' number sy-msgno
                with sy-msgv1 sy-msgv2 sy-msgv3 sy-msgv4 into v_msg.
        write / v_msg.
        clear v_msg.
        stop.
      else.
        message id sy-msgid type 'S' number sy-msgno
                  with sy-msgv1 sy-msgv2 sy-msgv3 sy-msgv4.
      endif.
    endif.
  endif.