public function createFacebook($params, $optParams = [])
    {
        if (is_string($params)) {
            $params = ['facebookId' => $params];
        }
        $params = $this->client->fillParams(['cloudId', 'facebookId'], $params);

        return $this->build('/r/facebook/'.$params['facebookId'], $params, $optParams);
    }