ECD - Transaction Event

<script>
window.dataLayer = window.dataLayer || [];
dataLayer.push({
 'transactionId': '{{TRANSACTION ID}}', //(Required) Unique transaction identifier. String
 'transactionAffiliation': '{{Buy/sell}}', // (Optional), možemo iskoristiti ovaj parametar da odvojimo prodajne od kupovnih transakcija. String
 'transactionTotal': 38.26, //(Required) ECD revenue od transakcije. numeric
 'transactionTax': 1.29, //optional, ne treba ništa
 'coupon': {{coupon used}}, //optional, kupon kod koji su iskoristili ukoliko jesu
'paymentType': {{paymentType}}, //optional, tip placanja, bank ili card
 'transactionShipping': 5, //(optional), ne treba ništa
 'transactionProducts': [{ //(optional) List of items purchased in the transaction. Array of product objects
   'sku': 'DD44', //(Required) ID kriptovalute
   'name': 'Bitcoin (BTC)', //(Required) Naziv kriptovalute
   'category': 'Cryptocurrency', // (Optional) Cryptocurrency
   'price': 11.99,   //(Required) Unit Price. numeric
   'quantity': 1  //(Required) Number of items. numeric
 },{
   'sku': 'AA1243544', //(Required) ID kriptovalute
   'name': 'Ethereum (ETH)', //(Required) Naziv kriptovalute
   'category': 'Cryptocurrency', // (Optional) Cryptocurrency
   'price': 9.99, //(Required) Unit Price. numeric
   'quantity': 0.66 //(Required) Number of items. numeric
   'event': 'transactionCompleted' // custom event za transakciju
 }]
});
</script>