This Repository is not related to OPC UA Part 14 (Pub/Sub)! I am using i custom JSON-Format. opcua-sub-to-mqtt OPC UA Server -> OPC UA Client / MQTT Publisher -> MQTT Broker Its a small example how to forward OPC UA Subscription Notifications to MQTT in a uniform way (e.g. in a Unified-Namespace). Interested? Contact me: [email protected]