if event.type == "ext_int" then
  if event.message == "display" then
    S.datetime = os.date("%Y-%m-%d %H:%M:%S")
    digiline_send("time", "  \n    " .. S.datetime)
    F.list_trains(true)
    F.print("INSIDE A LUA TRACK: " .. S.datetime)
  end
  return
end