custom instance entry check

-- this is supposed to check if a player is in a guild when they enter
-- instance Gruul's lair
-- if they are not in a guild then they will get teleported back outside
-- the instance.

function Gruulguildcheck(event, plr)


    if (plr:GetMapId()==565) and (plr:IsInGuild()~=true) then
        plr:SendBroadcastMessage("you must be in a guild to enter these catacombs.")
        plr:SendBroadcastMessage("I command you to leave.")
        plr:MovePlayerTo(60, 30, -3, 4.2, 4096)
        end
end

 RegisterServerHook(4, "Gruulguildcheck")