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Create an automation to map the central scene events to actions. In triggers, choose the device, then the choose a trigger something like “Central Scene action on endpoint 0 Scene 001”, and value something like “keyPressed 2x”.
I use automation like this to make double press and triple press on one switch activate multiple devices.
Oh so these aren't managed through the Zwave integration at all? That's definitely what was confusing me.
I'll take a crack at this tonight and see if I can get it working!
Make sure to look for Zooz blueprints - there are blueprints for many switches. The blueprint for the Zen32 scene controller really helped me use the switch to the full extent.