sound problems

[THE/ILL/WILL]

so i rewrote all the stuff like this and now its giveing me ( errors. i think im grouping wrong anyone have some pointers?
////////////////////////////
// Run first time starting map
void OnStart()
{

{
AddUseItemCallback( "", "DoorKey_1", "Door_3", "UseKeyOnDoor", true);
}

void UsedKeyOnDoor(string &in asItem, string &in asEntity)
{
SetSwingDoorLocked("Door_3", false, true);
PlaySoundAtEntity("", "unlock_door", "Player", 0, false);
RemoveItem("DoorKey_1");
}
{
[color=#FFD700]AddEntityCollideCallback("Player", "doorslam_1","Collidedoorslam", true, -1);
}
void Collidedoorslam(string &in asParent, string &in asChild, int alState)
{
SetSwingDoorClosed("Room_2", true, true);
PlaySoundAtEntity("", "amb_hunt01", "Player", 0, false);
}
{
AddEntityCollideCallback("Player", "Unlock_1","Room2Unlock", true, 1);
}
void Room2Unlock(string &in asParent, string &in asChild, int alState)
{
SetSwingDoorLocked("Room_2", true, true);
PlaySoundAtEntity("", "unlock_door", "Player", 0, false);
}

}