code: def create(self, ip_access_control_list_sid):
          
          data = values.of({'IpAccessControlListSid': ip_access_control_list_sid, })
  
          payload = self._version.create(
              'POST',
              self._uri,
              data=data,
          )
  
          return IpAccessControlListMappingInstance(
              self._version,
              payload,
              account_sid=self._solution['account_sid'],
              domain_sid=self._solution['domain_sid'],
          )
docs: Create a new IpAccessControlListMappingInstance
  
          :param unicode ip_access_control_list_sid: The unique id of the IP access control list to map to the SIP domain
  
          :returns: Newly created IpAccessControlListMappingInstance
          :rtype: twilio.rest.api.v2010.account.sip.domain.ip_access_control_list_mapping.IpAccessControlListMappingInstance