void main()
{
    object oExiting = GetExitingObject();

    if (GetIsPC(oExiting))
    {
    //SendMessageToPC(oExiting, "Area cleanup event fired.");
    object oObjectToClean = GetFirstObjectInArea(OBJECT_SELF);
    while (GetIsObjectValid(oObjectToClean))
        {
            if (
                !GetIsPC(oObjectToClean) &&
                !GetIsDM(oObjectToClean) &&
                !GetPlotFlag(oObjectToClean) &&
                GetObjectType(oObjectToClean) == OBJECT_TYPE_CREATURE
                )
                    {
                    //SendMessageToPC(oExiting, "Destroying " + GetName(oObjectToClean));
                    DestroyObject(oObjectToClean, 0.1);
                    }

            oObjectToClean = GetNextObjectInArea(OBJECT_SELF);
        }
     }
}