public function create($credentials, $options = array()) {
        $options = new Values($options);

        $data = Values::of(array(
            'Credentials' => $credentials,
            'FriendlyName' => $options['friendlyName'],
            'AccountSid' => $options['accountSid'],
        ));

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

        return new AwsInstance($this->version, $payload);
    }