Open WeUpsell Dashboard
Start by logging into your Shopify admin panel and navigating to the WeUpsell Dashboard.
Go to Templates
Click on "Cart Add On"
Customize the Widget
Click on the product image to select the product you want to add to the Cart Drawer.
You can offer a customized product discount if you need it.
Save and Publish the Template
Click on Save and Publish to make the widget live.
Note: To make the widget visible on your store, refer to this article.
Final Look: