Mein Aktueller Code 12/2022

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new Date().getTime(),event:'gtm.js'});var f=d.getElementsByTagName(s)[0],
j=d.createElement(s),dl=l!='dataLayer'?'&l='+l:'';j.async=true;j.src=
'https://www.googletagmanager.com/gtm.js?id='+i+dl;f.parentNode.insertBefore(j,f);
})(window,document,'script','dataLayer','GTM-XXXXXXX');</script>
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<script>

window.dataLayer = window.dataLayer || [];

dataLayer.push({ ecommerce: null });

{% if first_time_accessed and post_purchase_page_accessed != true %}

dataLayer.push({
  event: "purchase",
  ecommerce: {
     transaction_id: "{{ order_number }}",
      value: {{ total_price | times: 0.01 }},
      tax: {{ tax_price | times: 0.01 }},
      shipping: {{ shipping_price | times: 0.01 }},
      currency: "{{ currency }}",
      items: [
       {% for line_item in line_items %}{
        item_id: "{{ line_item.product_id }}",
        item_name: "{{ line_item.title | remove: "'" | remove: '"' }}",
        currency: "{{ order.currency }}",
        price: {{ line_item.final_price | times: 0.01 }},
        quantity: {{ line_item.quantity }}
      },{% endfor %}
 ]
  }
});

{% endif %}

</script>

Mein alter Code: