code: def search_ipv6_environment(self, ipv6, id_environment):
          
  
          if not is_valid_int_param(id_environment):
              raise InvalidParameterError(
                  u'Environment identifier is invalid or was not informed.')
  
          ipv6_map = dict()
          ipv6_map['ipv6'] = ipv6
          ipv6_map['id_environment'] = id_environment
  
          code, xml = self.submit(
              {'ipv6_map': ipv6_map}, 'POST', 'ipv6/environment/')
  
          return self.response(code, xml)
docs: Get IPv6 with an associated environment.
  
          :param ipv6: IPv6 address in the format x1:x2:x3:x4:x5:x6:x7:x8.
          :param id_environment: Environment identifier. Integer value and greater than zero.
  
          :return: Dictionary with the following structure:
  
          ::
  
  
              {'ipv6': {'id': < id >,
              'id_vlan': < id_vlan >,
              'bloco1': < bloco1 >,
              'bloco2': < bloco2 >,
              'bloco3': < bloco3 >,
              'bloco4': < bloco4 >,
              'bloco5': < bloco5 >,
              'bloco6': < bloco6 >,
              'bloco7': < bloco7 >,
              'bloco8': < bloco8 >,
              'descricao': < descricao > }}
  
          :raise IpNaoExisteError: IPv6 is not registered or is not associated to the environment.
          :raise AmbienteNaoExisteError: Environment not found.
          :raise InvalidParameterError: Environment identifier and/or IPv6 string is/are none or invalid.
          :raise DataBaseError: Networkapi failed to access the database.
          :raise XMLError: Networkapi failed to generate the XML response.