gistfile1.txt

public class RayGunSink : ILogEventSink
{
    RaygunClient raygunClient = new RaygunClient("xxx=");
    public Action<LogEvent> Action;

    public void Emit(LogEvent logEvent)
    {
        if (logEvent.Level < LogEventLevel.Warning)
        {
            return;
        }
        var customData = new Dictionary<string, string>
            {
                {"Message", logEvent.RenderMessage()}
            };
        var tags = GetTags(logEvent).ToList();
        raygunClient.Send(logEvent.Exception, tags, customData);
      
    }

    static IEnumerable<string> GetTags(LogEvent logEvent)
    {
        LogEventPropertyValue item;
        if (logEvent.Properties.TryGetValue("SourceContext", out item))
        {
            yield return item.ToString()
                .Replace("\"", "");
        }
    }
}