A C# Azure Function for calling webhooks with basic authentication

WebhookTriggerFunction.csx

using System;
using System.Net;

[FunctionName("GetEnvironmentVariables")]
public static void Run(TimerInfo myTimer, TraceWriter log)
{
    log.Info($"C# Timer trigger function executed at: {DateTime.Now}");

    string username = GetEnvironmentVariable("Webhook_Username");
    string password = GetEnvironmentVariable("Webhook_Password");
    string webhook = "https://mywebhookurl.com";
    HttpWebRequest req = (HttpWebRequest)WebRequest.Create(webhook);
    string encoded = System.Convert.ToBase64String(System.Text.Encoding.GetEncoding("ISO-8859-1").GetBytes(username + ":" + password));
    req.Headers.Add("Authorization", "Basic " + encoded);
    req.Method = "POST";
    req.ContentLength = 0;
    var response = req.GetResponse();
    log.Info(response.ToString());
}

public static string GetEnvironmentVariable(string name)
{
    return System.Environment.GetEnvironmentVariable(name, EnvironmentVariableTarget.Process);
}