gistfile1.lua

-- notify background script

function get_message(user)
  local message = storage.getf(user.nickname)
  if message ~= nil then
    storage.deletef(user.nickname)
    return mesage
  end
end

function onMessage(channel, user, message)
  local msg = get_message(user)
  if msg ~= nil then
    channel.send("Hey " .. user.nickname .. "! " .. msg)
  end
end

register_callback(CALLBACK_CHANNEL_MESSAGE, onMessage)