// Use this for initialization void Start() { rosmaster.StartROS("http://mjolnir.nrv:11311", "kraken-soft.nrv", "UnityProject1"); nh = rosmaster.getNodeHandle(); pub = nh.advertise <Messages.std_msgs.String>(topic_name, 10); // msg = new Messages.std_msgs.String(); // msg.data = "HELLO!"; // msg.Serialized = null; }