Every time i add my Models Menu To My Mod Menu I Get Script Compile Error Unknown Function Some one help

level.title["sub6"] = "Models Menu";
level.names["sub6"] = [];
level.names["sub6"][0] = "Stealth Bomber";
level.names["sub6"][1] = "Harrier";
level.names["sub6"][2] = "Sentry Gun";
level.names["sub6"][3] = "Care Package";
level.names["sub6"][4] = "UAV";
level.names["sub6"][5] = "Airstrike";
level.names["sub6"][6] = "Ac130";

level.funcs["sub6"] = [];
level.funcs["sub6"][0] = ::NotifyModel;
level.funcs["sub6"][1] = ::NotifyModel;
level.funcs["sub6"][2] = ::NotifyModel;
level.funcs["sub6"][3] = ::NotifyModel;
level.funcs["sub6"][4] = ::NotifyModel;
level.funcs["sub6"][5] = ::NotifyModel;
level.funcs["sub6"][6] = ::NotifyModel;

level.input["sub6"] = [];
level.input["sub6"][0] = "vehicle_b2_bomber";
level.input["sub6"][1] = "vehicle_av8b_harrier_jet_opfor_mp";
level.input["sub6"][2] = "sentry_minigun";
level.input["sub6"][3] = "com_plasticcase_friendly";
level.input["sub6"][4] = "vehicle_uav_static_mp";
level.input["sub6"][5] = "vehicle_mig29_desert";
level.input["sub6"][6] = "vehicle_ac130_low_mp";