How to fix the error

[Josh9810]

void OnStart()
{
AddEntityCollideCallback("Player", "brutey", "MonsterFunction", true, 1);
}
void MonsterFunction(string &in asParent, string &in asChild, int alState)
{
SetEnemyDisableTriggers("Brute", true);
SetEntityActive("Brute", true);
AddEnemyPatrolNode("Brute", "PathNodeArea_1", 2, "");
AddEnemyPatrolNode("Brute", "PathNodeArea_2", 0, "");
AddEnemyPatrolNode("Brute", "PathNodeArea_3", 0, "");
AddEnemyPatrolNode("Brute", "PathNodeArea_4", 0, "");
AddEnemyPatrolNode("Brute", "PathNodeArea_5", 0, "");
AddEnemyPatrolNode("Brute", "PathNodeArea_6", 0, "");
AddEnemyPatrolNode("Brute", "PathNodeArea_7", 0, "");
AddEnemyPatrolNode("Brute", "PathNodeArea_8", 0, "");
AddEnemyPatrolNode("Brute", "PathNodeArea_9", 0, "");
AddEnemyPatrolNode("Brute", "PathNodeArea_10", 0, "");
AddEnemyPatrolNode("Brute", "PathNodeArea_11", 0, "");
AddEnemyPatrolNode("Brute", "PathNodeArea_12", 0, "");
AddUseItemCallback("", "key", "unlock", "unlockdoor", true);
}
void unlockdoor(string &in asItem, string &in asEntity)
{
SetSwingDoorLocked("unlock", false, true);
PlaySoundAtEntity("", "unlock_door.snt", "unlock", 0, false);
RemoveItem("key");
AddEntityCollideCallback("Brute", "brute_go", "Monsterdisappear", true, 1);
}
void Monsterdisappear(string &in asParent, string &in asChild, int alState)
{
SetEntityActive("Brute", false);
}
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Is anything wrong... Any typos any spelling mistakes any thing I should move, remove or change to get it to work properly???