Begin checkout

dataLayer.push({ ecommerce: null });  // Clear the previous ecommerce object.

dataLayer.push({
  event: "begin_checkout",
  ecommerce: {
    value: 199.99,                     // Total order value (required)
    currency: "EUR",                   // Currency (required)
    items: [
      {
        item_id: "SKU_12345",          // Product SKU/ID (required)
        item_name: "Product Name",     // Product name (required)
        coupon: "SUMMER10",
        discount: 10.00,
        index: 0,
        item_brand: "Brand Name",
        item_category: "Category",
        item_category2: "Sub Category",
        item_variant: "Color/Size",
        price: 99.99,                  // Price per item
        quantity: 2                    // Quantity (required)
      }
    ]
  }
});