public function getComments($slideNo = '', $storageName = '', $folder = '')
    {
        //check whether file is set or not
        if ($slideNo == '')
            throw new Exception('Missing required parameter slideNo');

        $strURI = Product::$baseProductUri . '/slides/' . $this->getFileName() . '/slides/' . $slideNo . '/comments';
        if ($folder != '') {
            $strURI .= '?folder=' . $folder;
        }
        if ($storageName != '') {
            $strURI .= '&storage=' . $storageName;
        }
        $signedURI = Utils::sign($strURI);

        $responseStream = Utils::processCommand($signedURI, 'GET', '', '');

        $json = json_decode($responseStream);

        if ($json->Status == 'OK')
            return $json->SlideComments;
        else
            return false;
    }