void main()
{

object oPC= GetClickingObject();
object oKey1=GetItemPossessedBy(oPC,"jw_cvamp1_key");
object oKey2=GetItemPossessedBy(oPC,"jw_cvamp2_key");
object oKey3=GetItemPossessedBy(oPC,"jw_cvamp3_key");

if (GetIsObjectValid(oKey1)&&GetIsObjectValid(oKey2)&&GetIsObjectValid(oKey3))

{
 AssignCommand(oPC,PlaySound("as_cv_ropecreak3"));
 SpeakString("You place the three keys in the keyholes and the lock turns");
 SetLocked(OBJECT_SELF,0);
 ActionOpenDoor(OBJECT_SELF);
 DestroyObject(oKey1);
 DestroyObject(oKey2);
 DestroyObject(oKey3);

}
 else

 {
  SpeakString("This door has three small keyholes. It appears that all three keys are needed to open it. There is no other way through.");
 }

}