NEXA support

I’m new to this system, so I need some help.

I already have a lot Nexa equipment, so I went to buy Vera Edge and RFXtrx433E.
I’ve got dimmers and 230v switches to work. But the problem comes when i try to add wall switches.
See image attachments
Whatever I do, it does not look like the switch is comunicate.
I delete it, it comes up again once I press the switch

A wall switch would be only a receiver ? In this case, it could not be managed by the plugin.
Try to control it through the RFXCOM application and ask for advice to RFXCOM support.