GA Ecommerce Tracking

<script>
window.dataLayer = window.dataLayer || [];
dataLayer.push({
   'transactionId': '1234',
   'transactionAffiliation': 'Acme Clothing',
   'transactionTotal': 38.26,
   'transactionTax': 1.29,
   'transactionShipping': 5,
   'transactionProducts': [{
       'sku': 'DD44',
       'name': 'T-Shirt',
       'category': 'Apparel',
       'price': 11.99,
       'quantity': 1
   }]
});
</script>