void main()
{
    //Quit if the entering object is not a PC
    if (!GetIsPC(GetEnteringObject())) return;

    //Close all doors
    object oExArea = GetArea(GetWaypointByTag(GetLocalString(OBJECT_SELF, "DungeonWP")));
    if (GetLocalInt(oExArea, "DoorClosed") == FALSE)
    {
        SetLocalInt(oExArea, "DoorClosed", TRUE);
        object oObject = GetFirstObjectInArea(OBJECT_SELF);
        while (GetIsObjectValid(oObject))
        {
            if (GetObjectType(oObject) == OBJECT_TYPE_DOOR)
            {
                AssignCommand(oObject, ActionCloseDoor(oObject));
            }
            oObject = GetNextObjectInArea(OBJECT_SELF);
        }
    }

    //Delete the variable signifying transition between the exterior and the interior area
    DeleteLocalInt(GetEnteringObject(), "InTransition");

    //A workaround to enable selecting this area in the OnClientLeave event, since GetArea returns OBJECT_INVALID there
    SetLocalObject(GetEnteringObject(), "StoredArea", OBJECT_SELF);

    //Let's set this area's pseudo OnExit event (as a workaround for players quitting the game)
    SetLocalString(OBJECT_SELF, "OnExit", "pseudo_dungexit");
}