public function sendVideoConvert($resource, $transform_tasks,
                                     $security = null, $force = false)
    {
        $tasks_str = $this->createTransformStr($transform_tasks);
        $transform_url = $this->createTransformUrl(
            $this->api_key,
            'video',
            $resource,
            $tasks_str,
            $security
        );

        // force restart task?
        if ($force) {
            $transform_url .= '&force=true';
        }

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

        // handle response
        if ($status_code !== 200) {
            throw new FilestackException($response->getBody(), $status_code);
        }

        $json_response = json_decode($response->getBody(), true);
        $uuid = $json_response['uuid'];

        return [
            'uuid'              => $uuid,
            'conversion_url'    => $transform_url
        ];
    }