Error sending switch........ virtual sensor

[gambi]

Hello all, I would like to ask how to set up the virtual sensor information on the unavailability in a situation where, for example, the sensor is not available (no Internet connection)


I would like to get it

[gambi]

my "virtual sensor" is connected to the relay esp8266. How set in domoticz message when I lose connection esp. Now even Disconnect the cable from esp it still shows domoticz that turns on and off the relay