Server: Port: User: Password: ClientId: Clean session: Keep alive interval: TCP WS Use TLS Connect Disconnect Topic: Payload: Text Base64 Retain: QoS: 0 (At most once) 1 (At least once) 2 (Exactly once) Publish Method: Payload: Text Base64 QoS: 0 (At most once) 1 (At least once) 2 (Exactly once) Responses: Execute Clear responses Topic: QoS: 0 (At most once) 1 (At least once) 2 (Exactly once) Received messages: Add received messages to list Subscribe Unsubscribe Clear received messages Port: Persist retained messages in JSON format Clear previously retained messages on startup Allow persistent sessions Start Stop Refresh Clear Clear