It is specifically build to be used with the Xiaomi Mi Flora (https://wiki.domoticz.com/Mi_Flora_Bluetooth_LE), but can also be used with similar sensors ...
1. In Domoticz, open Setup > Hardware and find your MeshCore device. 2. Edit it and set "Command Bridge Channel" (Mode3) to the channel name you want to listen on (e.g. "alerts", "commands", "#nl").