Trying to get TTS to speak to work on a Google Home mini

[SmartHomePrimer]

Wondering if this step has been missed. I had some trouble in the beginning and these steps that @Ryan780 provided were helpful.

Google Home voice options

Nope. All you have to do is install and run and then go to http://IP-ADDRESS:3000/assistant/setup and it will guide you through authorizing Google Assistant API in order to use Broadcasts. It will then create a parent device called cast-web-api and it will have child devices for all of your google home devices you selected within the app. I would advise using the following modified drivers. They allow for the Device Notification capability which for the Cast-web device results in a broadcast…

IP Address in the URL below should be the IP address of your Raspberry Pi
http://ip-address:3000/assistant/setup