Script help (Key to door)

[flamez3]

void OnStart()
{
AddUseItemCallback("", "nameofkey", "nameofdoor", "KeyOnDoor", true);
}

void KeyOnDoor(string &in asItem, string &in asEntity)
{
SetSwingDoorLocked("nameofdoor", false, true);
PlaySoundAtEntity("", "unlock_door", "door1", 0, false);
RemoveItem("nameofkey");
}