Don't need help, but thought someone might find this useful eventually:
So, the first device I installed with my shiny new Hubitat-C8 is this ZigBee Relay/Switch that I purchased for my project of integrating an old intercom with my home automation. The driver used is for manufacturer: eWeLink, model: ZB-SW01. (I think I bought it under different name somewhere on Aliexpress, but I have also seen it on Amazon). After some initial rookie mistakes (e.g., not adding the device to the dashboard app before being able to select it for my dashboard), I finally got it to work from my first dashboard. Next, I wanted to be able to run this via Alexa voice commands. I got the Hubitat skill to work on Alexa, that was pretty straight forward, but then the relays did not show up on Alexa It was only after I went into the 'Amazon Echo Skill' app on Hubitat again and temporarily removed the device there and then added it again shortly thereafter that Alexa finally recognized the device! Next challenge will be to add some security to it, since this relay will open the main door. Maybe being asked for a PIN would be a good idea. Any productive ideas are welcome!