singgasan4_hotel

Hi, i want to make a commision per sales, i already try to Integrate JAM Using PHP Code. but this part gives something error, i can't put in production: $_COOKIE['jamcom'] how can i correct it?

Dear admin, our booking engine vendor already try add the PHP code block from http://jam.jrox.com/kb/category/6/system-integration.php like below: <?php file_get_contents("http://www.affiliates.singgasanahotels.com/sale/amount/$AMOUNT/trans_id/$ORDERID/tracking_code/" . $_COOKIE['jamcom']); ?> but there is something problem, please see attachment can you inform us how can we correct it please?