Event Grid Azure Function

StorageEventFunction.cs

using System.Linq;
using System.Net;
using System.Net.Http;
using System.Threading.Tasks;
using Microsoft.Azure.WebJobs;
using Microsoft.Azure.WebJobs.Extensions.Http;
using Microsoft.Azure.WebJobs.Host;
using System;
using Newtonsoft.Json;

namespace StorageEventFunction
{
    public static class StorageEventFunction
    {
        [FunctionName("StorageEventFunction")]
        public static async Task<HttpResponseMessage> Run([HttpTrigger(AuthorizationLevel.Function, "get", "post", Route = null)]HttpRequestMessage req, TraceWriter log)
        {
            string jsonContent = await req.Content.ReadAsStringAsync();
            dynamic eventgridinfo = JsonConvert.DeserializeObject(jsonContent);

            log.Info($"function trigger with data: {eventgridinfo}");

            var eventType = eventgridinfo[0].eventType.ToString();
            var imageUrl = eventgridinfo[0].data.url.ToString();

            log.Info($"triggering with event {eventType} and url {imageUrl}");
            switch (eventType)
            {
                case "Microsoft.Storage.BlobCreated":
                    await CreateAction(imageUrl, log);
                    break;
                case "Microsoft.Storage.BlobDeleted":
                    await DeleteAction(imageUrl, log);
                    break;
                default:
                    throw new ArgumentException($"unsupported event type: {eventType}");
            }

            return req.CreateResponse(HttpStatusCode.OK);
        }

        private static async Task CreateAction(string url, TraceWriter log)
        {
            // do whatever you would like with the new file in blob storage
        }

        private static async Task DeleteAction(string url, TraceWriter log)
        {
            // do whatever you would like on delete action
        }
    }
}