I’m having trouble getting the demo project remix-cars-service to work.
I started a new app in our sandbox and set the callback URL to https://remix-cars-service.vercel.app.
Then I added an app extension to show a custom panel and set the IFrame URL to https://remix-cars-service.vercel.app/list.
I activated the custom panel for deal, organization and person details, but it doesn’t show up.
I tried several other methods like hosting the app locally and watching requests via ngrok.
How can I debug this? Am I missing something?