not able to send messages/slashcmds

[ItzDaSrijan]

const { Client } = require('discord.js-selfbot-v13');
const client = new Client({ checkUpdate: false });

const TOKEN = process.env.TOKEN
const OWNER = process.env.OWNER
const GUILD = process.env.GUILD

client.on('ready', async () => {
  console.log(`${client.user.username} is ready to bake!`);
});

client.on("messageCreate", async (message) => {
    if (message.guild != GUILD) {
        return
    }
    if (message.author.id != OWNER) {
        return
    }

    if (message.content === 'ping') {
        await message.channel.send('pong');
    }

    if (message.content === 'slash') {
        await message.channel.sendSlash('bot id', 'balance')
    }
});

client.login(TOKEN);

this is my code and it doesn't send any message or slash commands
I don't understand if I'm doing something wrong or I'm missing something, please help