Zombie spawn code

function SpawnZombie(player, command, args)
    if(player:IsAdmin() or player:IsSuperAdmin()) then
        local tr = player:GetEyeTrace()
        local ent = ents.Create("npc_zombie")
        ent:SetPos(tr.HitPos)
        ent:Spawn()
    end
end
concommand.Add("hype_spawnzombie", SpawnZombie)