> For the complete documentation index, see [llms.txt](https://wishlist.nativeappco.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://wishlist.nativeappco.com/install-and-setup/checkout-upsell-widget.md).
# Checkout Upsell Widget
### Instructions
* In Shopify, go to your Checkout Editor (Find it under Settings -> Checkout -> [Customize](https://admin.shopify.com/settings/checkout/editor/))
* Open the Apps tab in Checkout Editor
* Add the **Wishlist Checkout Upsell** app block\
* Choose whether you want to include wishlist as part of Shop Pay
* Navigate to the Sections tab in Checkout Editor
* Choose a position for your Wishlist Checkout Upsell. For best user experience we recommend positioning it under **Items in cart**\
* Save your checkout
* Customers will start seeing the widget if they are logged in. It looks like this:
Fish Wishlist Checkout Widget Example
:grey\_exclamation:**Note:** The Checkout Upsell widget only appears for logged in customers. Don't be worried if you don't see it appear in the Checkout Editor.