Volume change slider on google home

Can anyone help me to help a volume control for my Google Home Mini on Hassio?

Thanks in advance and greetings from Germany!
Marlon

Take a look here. Same principle, just make your sliders and link the automations to the correct media player by adjusting the entity_id’s.

Hmm, I have tried this. The Sound is verry bugging on the Google Home. Then the sound is on google :confused: