Are you able to change the Chromecast Google volume under the GUI?
You should have a media_player
entity for the ChromeCast and you can adjust the volume using that.
mode: single
trigger: []
condition: []
action:
- service: media_player.volume_set
data:
volume_level: 0.37
target:
entity_id: media_player.12_55_guest_bathroom_google_home_speaker
If you don’t have anything playing the ChromeCast will be ‘idle’ and so there is no volume control I don’t think. If you play something you should get volume controls.
Found what I was looking for. Under call a service…
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