How to trigger a homekit automation via a homekit bridge accessory?

I have a zooz switch with some scene actions and some automated blinds via powerview (not supported by homeassistant).

What I really want, is to go into my bedroom, double tap the switch and have the lights dim and the blinds close. I got the lights dimming via HA, but I need to close the blinds in homekit.

What I was thinking to do, was to add a homekit bridge accessory for the double tap automation. This registers as a switch (on/off) in homekit. And I want to trigger the blind automation when the switch turns off, but I have no idea how to turn the switch “off” as part of the HA automation.

I hope that all makes sense.

Don’t know if it is the most efficient way, but I create boolean helpers in HA to use as dummy switches for HomeKit, and then create automations in HomeKit to trigger the HomeKit-only device based on the boolean helper turning on or off…

Thanks, I ended up using homekit devices and then homekit bridge and did all the automations inside of HA

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