Yes, GA4 supports e-commerce tracking, which allows you to track user interactions on your e-commerce website or app, and analyse key metrics such as revenue, transaction, and product data.

GA4’s e-commerce tracking is based on events, which are actions that users take on your website or app, such as viewing a product or completing a purchase. GA4 provides a set of predefined events for e-commerce tracking, such as “view_item”, “add_to_cart”, “begin_checkout”, “purchase”, and “refund”.

To set up e-commerce tracking in GA4, you’ll need to:

1. Implement the GA4 tracking code on your e-commerce website or app.
2. Create e-commerce events in GA4 and make sure they are properly configured and implemented on your website or app.
3. Configure e-commerce parameters in GA4, such as revenue, transaction ID, product SKU, and product name.
4. Create e-commerce reports in GA4, such as the “E-commerce Overview” report, which provides an overview of your e-commerce performance, and the “Product Performance” report, which provides detailed information on your product performance.
5. Create segments and custom reports: GA4 allows you to create segments, which are a subset of users that share a common characteristic. You can use segments to filter your e-commerce data and create more focused reports.

In summary, GA4 supports e-commerce tracking, which allows you to track user interactions on your e-commerce website or app, and analyse key metrics such as revenue, transaction, and product data, it also allows you to create segments and custom reports for more granularity.