Azure Functions SendGrid email from blob container.

Azurefunctions.cs

namespace AzFuncAppBlobToSendGrid
{
    using System;
    using System.IO;

    using Microsoft.Azure.WebJobs;
    using Microsoft.Azure.WebJobs.Host;
    using Microsoft.Extensions.Logging;

    using SendGrid.Helpers.Mail;

    public static class GetDocumentFromBlob
    {
        [FunctionName("GetDocumentFromBlob")]
      public static void Run([BlobTrigger("email-attachments/{name}", Connection = "slsAppStorage")]Stream myBlob,
                             string name,
                             ILogger log,
                             [SendGrid(ApiKey = "SendGridApiKey")] out SendGridMessage message)
        {
            message = new SendGridMessage();
            try
            {
                log.LogInformation($"C# Blob trigger function Processed blob\n Name:{name} \n Size: {myBlob.Length} Bytes");
                var blobBytes = GetBytesFromStream(myBlob);
               
                message.AddTo("PutToEmailAddressHere");
                message.AddContent("text/html", "This is the attachment <b>email</b>");
                message.AddAttachment(name, Convert.ToBase64String(blobBytes), "application/pdf", "attachment");
                message.SetFrom(new EmailAddress("PutFromEmailAddressHere"));
                message.SetSubject("test msg");
                
                
            }
            catch (Exception ex)
            {

                log.LogError(ex, ex.Message);
            }
        }

        private static byte[] GetBytesFromStream(Stream inputStream)
        {
            byte[] result;
            using (var ms = new MemoryStream())
            {
                inputStream.CopyTo(ms);
                result = ms.ToArray();
            }
            return result;
        }
    }
}