code: public void onMessage(final byte[] message, final Session session) {
          final SynchronizeFXWebsocketChannel channel = getChannelOrFail(session);
  
          channel.newMessage(message, session);
      }
docs: Pass {@link OnMessage} events of the Websocket API to this method to handle incoming commands of other peers.
  
  @param message The message that was received.
  @param session The client that has send the message