LUA Selector Receive

local sMes = "stop"

redstone.setOutput("bottom", false)
local modem = peripheral.wrap("top")
modem.open(1)

while true do
local event, modemSide, senderChannel,
  replyChannel, message, senderDistance = os.pullEvent("modem_message")

print("The message was: "..message)
if(message == sMes) then
redstone.setOutput("bottom", true)
sleep(2)
redstone.setOutput("bottom", false)
end
end