public function create($binding, $friendlyName, $factorType) {
        $data = Values::of(array(
            'Binding' => $binding,
            'FriendlyName' => $friendlyName,
            'FactorType' => $factorType,
        ));

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

        return new FactorInstance(
            $this->version,
            $payload,
            $this->solution['serviceSid'],
            $this->solution['identity']
        );
    }