Ensure the bundle has been created and is working correctly within the app.
In your store's admin, go to Online Store and click Customize on your current theme.
From the dropdown menu at the top of the page, select Pages.
Either select an existing page template or click Create template to make a new one.
In the left-hand panel, click Add section and select Full-page builder.
You now need to provide the Bundle ID. To find this:Go to the bundle in the app and click Copy link.Open the copied link. The Bundle ID is the number at the very end of the URL.
Enter the Bundle ID into the field in the theme customizer. The bundle will load in the preview.
Click Save.
Now, navigate to the Pages section of your online store admin.
Create a new page or open an existing one.
On the right-hand side under Theme template, select the new template you just created.
Click Save.
You can now click View page to see the full-page bundle builder displayed on your custom page.