So there’s an official button controller device type handler for the Osram lightify dimming switch now? That’s cool.
BTW, there is a community created device type handler for this device which does give you press to hold dimming, but it sort of an odd duck: it’s using zigbee commands directly, so it can’t be used for dimming with Z wave devices and you’re basically limited to one hop. So it’s similar to the people who are using the GE remotes with their Z wave devices. It’s known to smartthings, but doesn’t have the flexibility of a button controller.