IdentityServer v3 IEventService implementation using the Serilog ElasticSearch sink to provide messages on LogStash format

ElasticEventService

    public class ElasticSearchEventService : IEventService
    {
        private readonly ElasticsearchSink _nativeSink;
      
        public ElasticSearchEventService(IElasticSearchEventConfig conf)
        {
            var elasticsearchSinkOptions = new ElasticsearchSinkOptions(conf.ElasticSearchUri);
            _nativeSink = new ElasticsearchSink(elasticsearchSinkOptions);
        }

        public void Raise<T>(Event<T> evt)
        {
            var properties = new List<LogEventProperty>
            {
                new LogEventProperty("Type", new ScalarValue("IdServerEvent")),
                new LogEventProperty("Category", new ScalarValue(evt.Category)),
                
                new LogEventProperty("ActivityId", new ScalarValue(evt.Context.ActivityId)),
                new LogEventProperty("MachineName", new ScalarValue(evt.Context.MachineName)),
                new LogEventProperty("ProcessId", new ScalarValue(evt.Context.ProcessId)),
                new LogEventProperty("RemoteIpAddress", new ScalarValue(evt.Context.RemoteIpAddress)),
                new LogEventProperty("SubjectId", new ScalarValue(evt.Context.SubjectId)),

                new LogEventProperty("Details", new ScalarValue(evt.Details)),
                new LogEventProperty("EventType", new ScalarValue(evt.EventType)),
                new LogEventProperty("Id", new ScalarValue(evt.Id)),
                new LogEventProperty("Message", new ScalarValue(evt.Message)),
                new LogEventProperty("Name", new ScalarValue(evt.Name))
            };

            var messageTemplateTokens = new List<MessageTemplateToken>
            {
                new PropertyToken("message", evt.Message)
            };
            var messageTemplate = new MessageTemplate(evt.Message, messageTemplateTokens);
            var nativeEvent = new LogEvent(evt.Context.TimeStamp, LogEventLevel.Information, null, messageTemplate, properties);
            _nativeSink.Emit(nativeEvent);
        }
    }