Distributed Observability with Open Telemetry and Azure Monitor (Application Insights)

using (var operation = _telemetryClient.StartOperation<RequestTelemetry>("MessageStoreEvent"))
        {   var trackingProps = new Dictionary<string, string> { { "MessageId", @event.MessageId.ToString() }, { "TenantId", @event.TenantId } };
            operation.Telemetry.Context.Operation.Name = @event.MessageType;
            _telemetryClient.TrackTrace("Started processing MessageStoreEvent", trackingProps);

            try { ... .TrackTrace("Completed processing MessageStoreEvent", trackingProps); }
            catch (Exception ex)
            { _logger.LogError(ex, "MessageStoreEventHandler");
              operation.Telemetry.Success = false;
              operation.Telemetry.ResponseCode = "500";
              _telemetryClient.TrackException(ex);
              ...
            }}}

using (var activity = _activitySource.StartActivity(MessageStoreTelemetry.ActivitySourceName, ActivityKind.Consumer))
        {   activity.AddTag("MessageId", @event.MessageId);            
            ValidateMessageStoreEvent(@event);
            try { ... activity.SetStatus(ActivityStatusCode.Ok); }
            catch (Exception ex)
            { logger.LogError(ex, "MessageStoreEventHandler");                
              activity.SetExceptionTags(ex);                
              ...
            }}}