@Oldred I think I have fumbled around sufficiently to find a solution or workaround, possibly two although one seems preferable to the other. Because I have spent a lot of time trying various things...

Hi - I have a sensor Tapo T100 that covers the driveway and when detecting someone it rings the 'HUB H200' using a Smart action. All excellent stuff. We have control over other devices (smart plugs)...