Sample of Google Analytics transaction tracking for ExpressionEngine and Cartthrob

gistfile1.txt

ga('require', 'ecommerce');    // Load the ecommerce plug-in.

	ga('ecommerce:addTransaction', {
	  'id': '{order_id}',    // Transaction ID. Required
	  'affiliation': '{site_name}',    // Affiliation or store name
	  'revenue': '{exp:cartthrob:view_formatted_number number="{order_total}" prefix="" decimals="2" dec_point="." thousands_sep="" }',    // Sub Total 
	  'shipping': '{exp:cartthrob:view_formatted_number number="{order_shipping}" prefix="" decimals="2" dec_point="." thousands_sep="" }',    // Shipping
	  'tax': '{exp:cartthrob:view_formatted_number number="{order_tax}" prefix="" decimals="2" dec_point="." thousands_sep="" }'    // Tax
	});

	// add item might be called for every item in the shopping cart
	// where your ecommerce engine loops through each item in the cart and
	// prints out _addItem for each

	// this is a loop that goes through each item in the order
	{exp:cartthrob:order_items order_id="{order_id}"}
		ga('ecommerce:addItem', {
			'id': '{item:order_id}',    // Transaction ID. Required
			'name': '{item:title}',    // Product name. Required
			'sku': '{item:entry_id}',    // SKU/code
			'category': '',    // Category or variation
			'price': '{item:price_numeric}',    // Unit price
			'quantity': '{item:quantity}'    // Quantity
		});
	{/exp:cartthrob:order_items}

	ga('ecommerce:send');      // Send transaction and item data to Google Analytics.