help create my discord bot on nodejs and discord.js

require('dotenv').config();

const { Client, Intents } = require('discord.js');
const client = new Client({ 
  intents: [
    Intents.FLAGS.GUILDS, 
    Intents.FLAGS.GUILD_MESSAGES
  ]
});

const { YoutubeNotifier } = require('discord-bot-youtube-notifications');

const notifier = new YoutubeNotifier({
  youtubeApiKey: process.env.YOUTUBE_API_KEY,
  discordClient: client,
  channel: process.env.CHAT_ID,
});

client.on('ready', () => {
    console.log('Application start!')
    notifier.start();
});

client.login(process.env.SECRET_TOKEN);