'called when the object is first created.'

def at_object_creation(self):

    super(CrumblingWall, self).at_object_creation()
    self.aliases.add(['secret    passage', 'passage', 'crack', 'opening', 'secret    door'])
    self.db.root_pos = {'yellow': 0, 'green': 0, 'red': 0, 'blue': 0}
    self.db.button_exposed = False
    self.db.exit_open = False
    self.db.destination = '#2'
    self.locks.add('cmd:locattr(is_lit);traverse:objattr(exit_open)')
    self.cmdset.add(CmdSetCrumblingWall, permanent=True)
