code: def policy(self):
          
          policies = VNXIOPolicy.get(cli=self._cli)
          ret = None
          for policy in policies:
              contained = policy.ioclasses.name
              if self._get_name() in contained:
                  ret = VNXIOPolicy.get(name=policy.name, cli=self._cli)
                  break
          return ret
docs: Returns policy which contains this ioclass.