Функция BX.ajax

BX.ajax({
                url: '/local/cbp/scripts/bron/actions/razviz-kp.php', // URL обработчика на сервере
                method: 'POST',
                dataType: 'json',
                timeout: 10,
                data: {
                    dealID: <?= $dealID; ?>,
                },
                onsuccess: function (response) {
                    console.log(response);
                    window.location.reload(true);
                },
                onfailure: function (e) {
                    console.error(e);
                }
            });