Key will now not work

[flamez3]

void OnStart()
{
AddUseItemCallback("", "corridorkey", "corridordoor", "KeyOnDoor", true);
}


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


You didn't name the functions properly and you didn't use the right syntax. Use the one above.