custom story help?

[Datguy5]

void OnStart()
{
AutoSave();
AddUseItemCallback("", "hubkey1", "hubdoor1", "hubunlock", true);
}
void hubunlock(string &in asItem, string &in asEntity)
{
SetSwingDoorLocked("hubdoor1", false, true);
PlaySoundAtEntity("", "unlock_door", "hubdoor1", 0, false);
RemoveItem("hubkey1");
}
////////////////////////////
// Run when entering map
void OnEnter()
{
}
////////////////////////////
// Run when leaving map
void OnLeave()
{
}
Try dat