Fortrezz SSA1 - Alarm

I’ve got my ForerezZ device paired and I can see the levels, however, after reading the below think, i’m not sure what to do. Do i change the device class as a dimmer but that option doesn’t exist under customize.

A bit lost here
https://github.com/home-assistant/home-assistant/issues/2581

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hi Tan,
I have same problem, do you have found solution? I think do to a script, but I don’t know . thank’s