chat2.lua

local component = require("component")
local event = require("event")
local sides = require("sides")

local chatBox = component.chat_box
local rs = component.redstone

local distance = 3

chatBox.setDistance(distance)

local finish = false

while true do
  eventType, addr, player, message = event.pull("chat_message")
    if message == ("Go") then
      rs.setOutput(sides.west,15)
      os.sleep(1)
      rs.setOutput(sides.west,0)
      chatBox.say("Have A Nice Day! ".. player)
    end
end