The Settings interface allows clients to view and administrate the connections stored and used by NetworkManager. List the connections stored by this Settings object. List of connections. Add new connection. Connection settings and properties. Save the hostname to persistent configuration. The hostname to save to persistent configuration. If blank, the persistent hostname is cleared. The machine hostname stored in persistent configuration. If true, adding and modifying connections is supported. A dictionary mapping property names to variant boxed values Emitted when a new connection has been added. Object path of the new connection.