dataLayer.push({ ecommerce: null }); dataLayer.push({ event: "view_item", ecommerce: { currency: "EUR", value: 0, items: [ { item_id: "9970", item_name: "Ferplast potopni filter Blumodular 03", discount: 0.00, index: 0, item_brand: "Ferplast", item_category: "Fish", item_category2: "Filters and Pumps", item_category3: "Internal Filters", price: 69.99, quantity: 1 } ] } });