Beginning on Aug. 10, 2023 for all new OCU installs, in order for OCU Product page widget and Pre-purchase offers to be shown to customers on your storefront, you must enable the OCU Upsells "App embed" extension within your Shopify Theme Editor.
Click the "Click here to enable it." link in the notification banner shown within the OCU app to enable it:
App embeds are app-provided elements that float or appear as an overlay in your theme, or add code to your online store without being visible to your customers. In this case, a piece of code that allows for the OCU Product page widget and Pre-purchase popup to be triggered and shown on your store. App embeds can be activated, deactivated, and customized through the theme editor. App embeds can be used with any theme version.
Enabling the App Embed Manually
If you don't see the in-app notification banner, then follow the quick and easy steps below to enable the "OCU Upsells" app embed manually:
From your Shopify admin, navigate to Sales channels > Online Store > Themes:
Click the "Customize" button for your currently published theme to launch the Shopify Theme Editor:
In the Theme Editor, click into the "App embeds" section located in the left sidebar menu:
Locate the "OCU Upsells" app embed and click the toggle to enable it:
Click the "Save" button in the top-right corner of the Theme Editor:
That's it, the OCU Upsells app embed is now enabled on your store!