Errors

Admins = {"DeveloperAtWork"}

function isPlayerAdmin(name)
   for i,v in pairs(Admins) do
      if string.lower(name) == string.lower(v) then
         return true
      end
   end
end 

function chatted(msg,rec)
   if msg:lower() == "Alarm" then
	for i,v in pairs(game.Players:GetChildren()) do
		v.Playergui.Alarm.Frame.Visiable = true
	end
end
end

		

function playerAdded(newplayer)
   if isPlayerAdmin(newplayer.Name) then
      newplayer.Chatted:connect(chatted)
   end
end

game.Players.PlayerAdded:connect(playerAdded)