MQTT topic

Was wondering if its possible to see the MQTT topics being generated by Cayenne (eg when pressing a button widget to turn on and off and LED or displaying the value of a sensor on a display widget). Thanks in advance.

You can use MQTT.fx client to view the messages
https://developers.mydevices.com/cayenne/docs/cayenne-mqtt-api/#cayenne-mqtt-api-manually-publishing-subscribing