Yes, Magento 2 GTM supports eCommerce tracking for transactions. It records product views, add-to-cart actions, checkouts, and purchases. Enhanced eCommerce features provide insights into buyer behavior, sales, and conversions. Developers add data layers in Magento 2 GTM to send transaction details to Google Analytics or other tools. This helps businesses track ROI and improve marketing efforts. Accurate tracking also boosts store performance. By understanding customer actions clearly, stores can make better decisions, increase sales, and deliver improved customer satisfaction.