UpCart - Cart Drawer Cart Upsell Integration Guide
This integration guide help you integrate with UpCart—Cart Drawer Cart Upsell. When a bundle is added to the cart, it will refresh the cart drawer with the BYOB bundle SKU.
Please note that
you must activate the UpCart app embed block in your Theme editor. Please find it in Theme settings > App embeds.
Also, you have to turn on
Enhanced Ajax API Compatibility in Upcart. You can find it in your Cart Editor > Settings > Advanced Settings > Enhanced Ajax API Compatibility: