Please Help!

[EthanLancaster]

Ive been trying to find the error in this script for about an hour! Im really bad at it please help!

void OnStart ( )
{
AddUseItemCallback("", "LibraryKey, mansion_1, UsedKeyOnDoor, true);
AddEntityCollideCallback("Player", "StartPoint_Quest", "GetStartPoint", true, 1);
AddEntityCollideCallback("Player", "StartPoint_Quest", "FinishStartPoint", true, 1);
}
void UsedKeyOnDoor(string &in asEntity, int alState)
void GetStartPoint(string &in asParent, string &in asChild, int alState)
{
SetSwingDoorLocked("mansion_1", false, true);
AddQuest ( "investigate", "Investigate" ) ;
}

void FinishStartPoint(string &in asParent, string &in asChild, int alState)
{
CompleteQuest ( "investigate", "Investigate" ) ;
}