code: def create(self, credential_list_sid):
          
          data = values.of({'CredentialListSid': credential_list_sid, })
  
          payload = self._version.create(
              'POST',
              self._uri,
              data=data,
          )
  
          return AuthCallsCredentialListMappingInstance(
              self._version,
              payload,
              account_sid=self._solution['account_sid'],
              domain_sid=self._solution['domain_sid'],
          )
docs: Create a new AuthCallsCredentialListMappingInstance
  
          :param unicode credential_list_sid: The SID of the CredentialList resource to map to the SIP domain
  
          :returns: Newly created AuthCallsCredentialListMappingInstance
          :rtype: twilio.rest.api.v2010.account.sip.domain.auth_types.auth_calls_mapping.auth_calls_credential_list_mapping.AuthCallsCredentialListMappingInstance