GA4 View Cart

dataLayer.push({ ecommerce: null });  // Clear the previous ecommerce object.
dataLayer.push({
  event: "view_cart",                           // name of an event. In this case, always stays as view_cart
  ecommerce: {                                  // ecommerce object. This is the essential part of tracking. New EE data must always be pushed to this object
    currency: "USD",                            // Currency of the items associated with the event
    value: 7.77,                                // The monetary value of the event
    items: [                                    // The items for the event - this is an array
    {
      item_id: "SKU_12345",                     // The ID of the item, in our case ISBN
      item_name: "Stan and Friends Tee",        // The name of the item
      affiliation: "Cambridge University Press and Assessment", // A product affiliation to designate a supplying company or brick and mortar store location. In our case, Cambridge University Press and Assessment
      coupon: "SUMMER_FUN",                     // The coupon name/code associated with the item.
      discount: 2.22,                           // The monetary discount value associated with the item.
      index: 0,                                 // The index/position of the item in a list.
      item_brand: "Google",                     // The brand of the item. In our case academic, education or cambridge english
      item_category: "Apparel",                 // The category of the item. If used as part of a category hierarchy or taxonomy then this will be the first category.
      item_category2: "Adult",                  // The second category hierarchy or additional taxonomy for the item.
      item_category3: "Shirts",                 // The third category hierarchy or additional taxonomy for the item.
      item_category4: "Crew",                   // The fourth category hierarchy or additional taxonomy for the item.
      item_category5: "Short sleeve",           // The fifth category hierarchy or additional taxonomy for the item.
      item_list_id: "related_products",         // The ID of the list in which the item was presented to the user. We may not be using this.
      item_list_name: "Related Products",       // The name of the list in which the item was presented to the user. In this case Bag List
      item_variant: "green",                    // The item variant or unique code or description for additional item details/options.
      location_id: "ChIJIQBpAG2ahYAR_6128GcTUEo", // The physical location associated with the item (e.g. the physical store location) NA
      price: 9.99,                              // The monetary price of the item, in units of the specified currency parameter.
      quantity: 1                               // Item quantity.
    }
    ]
  }
});