code: function () {
          //client will set the counter property on the message
          //logger.log("server: send hello");
          this.client.secureOut = this.secureOut;
          this.client.sendCounter = CryptoLib.getRandomUINT16();
          this.client.sendMessage("Hello", {}, null, null);
  
          this.stage++;
          this.nextStep();
      }
docs: send a hello to the client, with our new random counter