I believe The smartthings official virtual driver is just a switch.
As far as adding an edge driver to your own hub, it’s the same for any edge driver.
The community FAQ has the details.
FAQ: I have no idea what Edge is. Is that a new developer tool? (2022)
For questions about a specific edge driver, since different ones have different features, ask in the author thread for that driver.
If you’re asking about the beta channel, I don’t know on that one, someone else will have to help you. 