code: def createLinkToSelf(self, new_zone, callback=None, errback=None,
                           **kwargs):
          
          zone = Zone(self.config, new_zone)
          kwargs['link'] = self.data['zone']
          return zone.create(callback=callback, errback=errback, **kwargs)
docs: Create a new linked zone, linking to ourselves. All records in this
          zone will then be available as "linked records" in the new zone.
  
          :param str new_zone: the new zone name to link to this one
          :return: new Zone