component = require("component")
http = component.internet

sender = {username = "NAME",avatar_url = "https://www.atomicheritage.org/sites/default/files/styles/large/public/lesson_plans/atom-1472657_1920.png?itok=Pon5eH8h",content = "MESSAGE"}

header =
    {
        ["Content-Type"] = "application/json",
        ["Content-Length"] = #sender.content
    }

http.request("https://discord.com/api/webhooks/...", sender, header, "POST")