dataLayer.push({ ecommerce: null }); dataLayer.push({ event: "view_item", ecommerce: { currency: "EUR", value: 0, items: [ { item_id: "24845", item_name: "JBL Manado - 5 l", discount: 0.00, index: 0, item_brand: "JBL", item_category: "Fish", item_category2: "Substrate and Gravel", item_category3: "Sand and Gravel", price: 16.99, quantity: 1 } ] } });