> For the complete documentation index, see [llms.txt](https://docs.paretodeals.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.paretodeals.com/upsell-and-cross-sell/checkout-page.md).
# Checkout Page
### 1. Campaign Display
* Upsell and cross-sell based on available campaigns in the app: Allows using available campaigns in the application to perform upsell, cross-sell
* Campaign priority:
* Quantity Breaks Type: The app will select and display the campaign that includes one of the added products
* Buy X Get Y Type: The app will select and display the campaign that includes one of the added products
* Order Discount Type: The app will select and display the campaign that includes one of the added products
* Product Bundles Type: The app will select and display the campaign that includes one of the added products
* Random Type: The app will select and display any campaign in the campaign list
* Drag and drop to change the priority order of campaign types.
* Use the toggle to turn on/off the campaign types you want to display.
* Setup other upsell and cross-sell campaign:
* Allows you to set up a separate upsell, cross-sell campaign that always displays when customers enter the checkout page.
* You can choose:
* Discount for item with highest price
* Discount for item with lowest price
* Discount for specific item.
* Setup your discount
### 2. Show on Checkout Page
***Note: The app uses Shopify UI Extensions, so this feature is exclusive to Shopify Plus***
* Go to Settings -> Checkout session -> click "Customize" button
* Add "**Pareto - Cross Sell**" block in checkout page