Hello,
We are working to resolve the issues with eZLO VOI and therefore the possibility to add Virtual devices.
For now, we strongly recommend following the guide shared by CW-KID
Please keep in mind that you will need to create virtual devices that can be controlled through Alexa like Smart Switches and Light Bulbs.
I will also create a support ticket so we can have access to your unit and test with your controller, that way we could replicate it, as it doesn’t on our side.