Location of the broker can be set by editing .env file and updating property:
BROKER_URL=https://broker.ids.isst.fraunhofer.de/infrastructure
TRUE Connector can register itself on startup, and also unregister when shutting down. To enable this, set
application.selfdescription.registrateOnStartup=true
Information on how TRUE Connector can interact with Broker, can be found on following link