select * from b_event where event_name like '%%' order by date_insert desc
while ($ob = $res->GetNextElement()) {
$arFields = $ob->GetFields();
$arProps = $ob->GetProperties();
$img = CFile::GetPath($arFields['PREVIEW_PICTURE']);
?>
<pre><? print_r($arProps) ?>"></pre>
<? echo $arProps['URL']['VALUE']; ?>