DataLayer

datalayer.php

// The dataLayer JavaScript is generated inside of a smarty template. All variables in curly-braces have to be replaced
// with whatever your system provides you with.

<script>
  window.dataLayer = window.dataLayer || [];
  dataLayer.push({
    event: "orderCompleted",
    transactionId: '{$sOrderNumber}', // Transaction ID. Required  for purchases and refunds.
    transactionTotal: {if $sAmountWithTax && $sUserData.additional.charge_vat}{$sAmountWithTax}{else}{$sAmount}{/if}, // Total transaction value (incl. tax and shipping)
    transactionTax: {$sAmountTax},
    transactionShipping: {$sShippingcosts},
    transactionProducts: [
      {foreach $sBasket.content as $key => $sBasketItem}
        {
            sku: "{$sBasketItem.ordernumber}",
            name: "{$sBasketItem.articlename}", // Name or ID is required
            price: {$sBasketItem.priceNumeric},
            quantity: {$sBasketItem.quantity}
        },
      {/foreach}
    ]
  });
</script>