content: display dialog "This will clear the content of the GPS. Are you sure?" default button "Cancel"
  display dialog "Just to confirm: this will clear the content of the GPS. Are you sure?" default button "Cancel"
  
  do shell script "eval `/usr/libexec/path_helper -s`; python3 -m gt2gpx --usb purge"
  
  -- Notify the user
  display notification "GPS device cleared"
  