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Ecommerce allows measurement of user interactions with products across your users' shopping experiences, including interactions such as product (item) list views, product list clicks, viewing product details, adding a product to a shopping cart, initiating the checkout process, purchases, and refunds.
For details on implementing ecommerce web apps, see Google Analytics Ecommerce.
Make sure that you’ve set up your project and can access Analytics as described in Get Started with Analytics. Ecommerce measurement requires you to link your Firebase project to an Analytics account and to have the Android SDK v17.3.0 or iOS v6.20.0 and up in your app.
A typical ecommerce implementation measures any of the following actions:
- Select a product from a list
- View product details
- Add/remove a product from a shopping cart
- Initiate the checkout process
- Make purchases or refunds
- Apply promotions
At the heart of these actions are products. Products can be instrumented as an array of items that can be added to prescribed ecommerce events. The following example demonstrates how to create a collection of items that are referenced throughout this guide.
When a user is presented with a list of results, log a
items array parameter containing the displayed products.
Once a user selects a particular product from the list, log a
event with the chosen product in an
items array parameter.
To measure how many times product details are viewed, log a
whenever a user views a product's details screen.
Measure a product being added to a wishlist or cart by logging an
add_to_cart event, respectively, with the relevant
products in an
items array parameter.
When a user subsequently views the cart, log the
view_cart event with all
items in the cart.
To measure when a user removes a product from a cart, log the
Measure the first step in a checkout process by logging a
with one or more
items defined with the relevant fields. A coupon can also be
added at this stage to the entire order by adding it to the event or applied to
a particular item by adding it to specific elements in the
When a user proceeds to the next step in the checkout process and adds shipping
information, log an
add_shipping_info event. Use the parameter
to specify the user's delivery option, such as "Ground", "Air", or "Next-day".
add_payment_info when a user submits their payment information. If
payment_type with this event for the chosen method of
Measure a purchase by logging a
purchase event with one or more
defined with the relevant fields.
The purchase event replaces
ecommerce_purchase and is different from the
in_app_purchase event, which is reported automatically.
Measure refunds by logging a
refund event with the relevant
specified and optionally (for partial refunds) one or more
items defined with
refund event replaces
Ecommerce includes support for measuring impressions and clicks of internal promotions, such as banners displayed to promote a sale.
Promotion impressions are typically measured with the initial screen view by
view_promotion event with an
items parameter to specify the
promoted product. To indicate a user clicked on a promotion, log a
select_promotion event with that product as an