Thanks, it looks like Hubitat's own Google Home integration can't handle a door opener device. A community-sourced Google Home integration looks like it's capable:
First, make sure you have debug logging turned on in the Google Home Community app. If you still don't see anything in your Hubitat logs from the Google Home Community app then either the OAuth settings or the fulfillment URL is likely configured incorrectly.
The fulfillment URL shouldn't include any brackets or anything. The {} in the instructions are just there to indicate that you need to replace that section with your value. The fulfillment URL should look something like this:
https://c…