const { MessageEmbed, WebhookClient } = require('discord.js');
const url = "url_вебхука";
const webhookClient = new WebhookClient({ id: url.split("/")[5], token: url.split("/")[6]});
webhookClient.send({
content: 'контент',
username: 'имя_пользователя',
avatarURL: 'url_аватара',
});