Motion Sensor

component = require("component")
motionSensor = component.motion_sensor
colors = require("colors")
sides = require("sides")
event = require("event")
redstone = component.redstone

side = sides.
signal = colors.red
args = {...}
whitelist = {"player","player","player"}

function Check()

end

while true do
    local _,_,x,y,z,player = event.pull("motion")
        if args == "debug" then --text then
            print("x: "..x)
            print("y: "..y)
            print("z: "..z)
            print("player: ".. player)
        end
    Y = math.floor(y) -- the default over door is: -3
        if x > -5 and x < 5 and Y >= -3 then
            for k,v in pairs(whitelist) do
                if player == v then
                    redstone.setBundledOutput(side,signal,15)
                    os.sleep(2)
                    redstone.setBundledOutput(side,signal,0)
                    else
                    redstone.setBundledOutput(side,signal,0)
                end
            end
        end
end