public function create($credentialListSid) {
        $data = Values::of(array('CredentialListSid' => $credentialListSid, ));

        $payload = $this->version->create(
            'POST',
            $this->uri,
            array(),
            $data
        );

        return new AuthRegistrationsCredentialListMappingInstance(
            $this->version,
            $payload,
            $this->solution['accountSid'],
            $this->solution['domainSid']
        );
    }