/// <summary>
/// Send a event to Event Grid Topic
/// </summary>
/// <returns>A task</returns>
public async Task SendEventAsync()
{
TopicCredentials topicCredentials = new TopicCredentials(TopicKey);
EventGridClient client = new EventGridClient(topicCredentials);
EventGridEvent eventWithReference = await _storage.UploadEventAsync(GetEvent());
await client.PublishEventsAsync(new Uri(TopicEndpoint).Host, new List <EventGridEvent>() { eventWithReference });
}