public function save($options = [])
    {
        $this->initTransformUrl();
        $this->transform_url = $this->insertTransformStr($this->transform_url,
            'store', $options);

        // call CommonMixin function
        $response = $this->sendRequest('GET', $this->transform_url);
        $filelink = $this->handleResponseCreateFilelink($response);

        return $filelink;
    }