Code snippet 9 - For multiplayer space invaders article

server.js

realtime.connection.once("connected", () => {
  gameRoom = realtime.channels.get("game-room");
  deadPlayerCh = realtime.channels.get("dead-player");
  gameRoom.presence.subscribe("enter", (player) => {});
  gameRoom.presence.subscribe("leave", (player) => {});
  deadPlayerCh.subscribe("dead-notif", (msg) => {});
});