Script help! 2

[tezpull666]

I did all the scripting:

PHP Code: (Select All)

OnStart()
{
    AddUseItemCallback("", "key_study_1", "level_wood_1", "FUNCTION", true);
}

OnEnter()
{

}

OnLeave()
{

}

void FUNCTION(string &in asItem, string &in asEntity)
{
    SetLevelDoorLocked("level_wood_1", false);
    PlaySoundAtEntity("", "unlock_door.snt", asEntity, 0, false);
    RemoveItem("key_study_1");
} 


But it said this:
Help2