Hello, If the user has selected a file then the filebox instruction will return $status = 1 and the fully qualified name of the file is stored in $result. This should do the trick:

filebox "*.csv","R:\\Q_lesheavar\\out_files\\lamas\\"
if ($status = 1) ; the user has selected a file
   spawn "%%"%%$result%%%%%"" ; enclose the file name with double quotes in case it contains spaces
elseif ($status < 0)
   message/error "filebox returned the error %%$procerror"
endif

Hope this helps. Kind regards, Daniel

Uriel said ::: i tried this code : 

filebox "*.csv","R:\\Q_lesheavar\\out_files\\lamas\\" spawn "%%$$gvg_param1%%%"

it dosent work.

What is in $$gvg_param1? You should be referencing $result. Also, you may not have associated application for the file type that you are selecting. You also might like to spawn like this...

spawn "cmd /c %%$result%%%"

sometimes this might work over spawning the file directly.

thanks you very much to both of you! it worked!