Autodetect Chromecast

Heyas.

I am running HassOS 2.8 Version 143 on a raspberry pi 3b+
Fairly new to hassbian, but have banged on it for a little while now.
So I did let the hassio autodetect and add the chromecasts units that I have on my network. They are all working like a charm, however I can not seem to find the config for them anywhere in my configuration.yaml file? are they stored elsewhere ?

Kind regards
DigiNorse

.storage

Not meant to be user editable.