TEMA:

$this->execPieceByName('ff_InitLib');
$session = JFactory::getSession();
$files = glob('media/breezingforms/uploads/yourfolder/*''); // get all file names who should be saved in that path, * represent all in that folder
$filecount = 0;
if ($files){
 $filecount = count($files);
}
$session->set('count', $filecount);

$session = JFactory::getSession();    
if (JRequest::getInt('ff_status', -1) == 0) {
$count = $session->get('count');    
echo 'Number of files is: '.$count;
}

$this->execPieceByName('ff_InitLib');
$db = JFactory::getDbo();
$db->setQuery("Select Max(id) From #__facileforms_records");
$next_record_id = intval($db->loadResult()) + 1;
ff_setValue('formid', $next_record_id); //  "formid" is element name in which you want to display the record id