void main()
{
    int nUser = GetUserDefinedEventNumber();

    if(nUser == 1001) //unlock portculli
    {
        object oPortcullis1 = GetNearestObjectByTag("nk_am2_ogreport1", OBJECT_SELF, 1);
        object oPortcullis2 = GetNearestObjectByTag("nk_am2_ogreport2", OBJECT_SELF, 1);
        SetLocked(oPortcullis1, 0);
        SetLocked(oPortcullis2, 0);
    }

}