Example C# Azure Function timer function

PingTimer.cs

using System;
using System.Net.Http;
using System.Threading.Tasks;
using Microsoft.Azure.WebJobs;
using Microsoft.Azure.WebJobs.Host;

namespace WolfTrackerAPI
{
    public static class PingTimer
    {
        [FunctionName("PingTimer")]
        public static async Task Run([TimerTrigger("0 */4 * * * *")] TimerInfo myTimer, TraceWriter log)
        {
            // This CRON job executes every 4 minutes
            log.Info($"PingTimer function executed at: {DateTime.Now}");

            var client = new HttpClient();

            await client.GetAsync(new Uri("https://wolftracker.nz/"));

            log.Info($"PingTimer function executed completed at: {DateTime.Now}");
        }
    }
}