X-Cart
Google Tag Manager
This will state how to install conversion tracking & GTM on X-Cart
GTM Installation
Conversion Tracking
where you would place tracking conversion codes:
/skin/<<theme>>/customer/main/order_message.tpl
Original is located in:
/skin/common_files/customer/main/order_message.tpl
code:
{literal}
var dataLayer = window.dataLayer || [];
dataLayer.push({'order_id' : '{/literal}{$orders[0].order.orderid}{literal}', 'order_value' : '{/literal}{$orders[0].order.subtotal}{literal}', 'event' : 'order-submitted'});
{/literal}