Gets the unique name of @connection as assigned by the message bus. This can also be used to figure out if @connection is a message bus connection.
the unique name or %NULL if @connection is not a message bus connection. Do not free this string, it is owned by @connection.
2.26
See Implementation
Gets the unique name of @connection as assigned by the message bus. This can also be used to figure out if @connection is a message bus connection.