file saving in presentation server

*If user selects "Presentation Server"

CALL FUNCTION 'F4_DXFILENAME_TOPRECURSION'

EXPORTING

i_location_flag = lc_loc_flag_p

i_path = lv_filepath

fileoperation = lc_fileoperation

IMPORTING

o_path = lv_filepath.

I am using the code above to download my file to presentation server. my requirement is to prompt an default name IN THE SELECT FILE dialog box. but Iin this FM i am not getting the option to give this. kindly syggest how i can do that.