Have you had a chance to look at the new Z wave Tweaker? It’s very cool.
https://github.com/codersaur/SmartThings/tree/master/devices/zwave-tweaker
This is a device handler to assist with interrogating and tweaking Z-Wave devices. It’s designed for end-users who want to tweak their devices and for developers who want to quickly discover and report the functionality of new devices. It is intended to temporarily replace a device’s normal device handler.
You assign your zwave device to it temporarily, use the tweaker to set associations and parameters, then change it back to the every day DTH. Saves a lot of time.