"host": "lavalink.botsuniversity.ml",
      "password": "mathiscool",
      "port": 443,
      "secure": true 
          

            // To install Discord.JS and Erela.JS, run: npm install discord.js erela.js
const { Client } = require("discord.js");
const { Manager } = require("erela.js");

// Initialize the Discord.JS Client.
const client = new Client();

// Initiate the Manager with some options and listen to some events.
client.manager = new Manager({
  nodes: [
    {
      host: "lavalink.botsuniversity.ml", 
      port: 443, 
      password: "mathiscool",
      secure: true,
    },
  ],
  send(id, payload) {
    const guild = client.guilds.cache.get(id);
    if (guild) guild.shard.send(payload);
  },
})
  .on("nodeConnect", node => console.log(`Node ${node.options.identifier} connected`))
  .on("nodeError", (node, error) => console.log(`Node ${node.options.identifier} had an error: ${error.message}`))
  .on("trackStart", (player, track) => {
    client.channels.cache.get(player.textChannel).send(`Now playing: ${track.title}`);
  })
  .on("queueEnd", (player) => {
    client.channels.cache.get(player.textChannel).send("Queue has ended.");
    player.destroy();
  });

client.once("ready", () => {
  console.log("I am ready!");
  client.manager.init(client.user.id); // Initiate the manager.
});

// Here we send voice data to lavalink whenever the bot joins a voice channel to play audio in the channel.
client.on("raw", (d) => client.manager.updateVoiceState(d));

client.on("message", async (message) => {
  if (message.content.startsWith("!play")) {
    // Note: This example only works for retrieving tracks using a query, such as "Rick Astley - Never Gonna Give You Up".
    
    // Retrieves tracks with your query and the requester of the tracks.
    // Note: This retrieves tracks from youtube by default, to get from other sources you must enable them in application.yml and provide a link for the source.
    // Note: If you want to "search" for tracks you must provide an object with a "query" property being the query to use, and "source" being one of "youtube", "soundcloud".
    const res = await client.manager.search(
      message.content.slice(6),
      message.author
    );
    
    // Create a new player. This will return the player if it already exists.
    const player = client.manager.create({
      guild: message.guild.id,
      voiceChannel: message.member.voice.channel.id,
      textChannel: message.channel.id,
    });
    
    // Connect to the voice channel.
    player.connect();
    
    // Adds the first track to the queue.
    player.queue.add(res.tracks[0]);
    message.channel.send(`Enqueuing track ${res.tracks[0].title}.`);
    
    // Plays the player (plays the first track in the queue).
    // The if statement is needed else it will play the current track again
    if (!player.playing && !player.paused && !player.queue.size)
      player.play();
  }
});
client.login("your bot token");