private IEnumerable <ExternalSensorMetadata> ReadAllEventSensors() { _reader.Configuration.RegisterClassMap <TransmittedEventMap>(); return(_reader.GetRecords <TransmittedEvent>() .Select(e => new ExternalSensorMetadata { SensorId = e.EventID, TargetPath = e.Path, TargetNodeDisplayName = e.DisplayName }) .ToList()); }