Shopify has a pre-built enhanced e-commerce analytics integration for each theme. To get started checkout Digital Darts guide “The Finest Google Analytics Setup in Shopify to Profit”. Learn more your about users shopping experience on your e-commerce website, including product impressions, product clicks, viewing product details, adding a product to a shopping cart, initiating the checkout process, transactions, and refunds.
As suggested by Google Analytics team you may add an additional tracker for a newly created property and tag/enable Enhanced Ecommerce for the new property to start implementing Google Analytics Enhanced E-commerce for Shopify. Start measuring e-commerce activities on your website today! Get sell more from the insight you gather.