dataLayer.push({
   "ecommerce": {
      "currencyCode":"NOK",
      "add": {
         "products": [{
               "id":"12345”,
               "name": "Bok: Viktingtidens utbrudd",  //name or id is required
               "price": "250.00",
               "category": "Hardcover",   //canonical category
               "quantity": [dynamically update with quantity added*]
         }]
      }
   },
   "event":"addToCart"
});