---
title: sessionIdentifier
framework: sensorkit
role: symbol
role_heading: Instance Property
path: sensorkit/srspeechmetrics/sessionidentifier
---

# sessionIdentifier

An identifier for the audio session.

## Declaration

```swift
var sessionIdentifier: String { get }
```

## Discussion

Discussion For example, this property is an identifier for a phone call or Siri utterance.

## See Also

### Getting session information

- [sessionFlags](sensorkit/srspeechmetrics/sessionflags-swift.property.md)
- [SRSpeechMetrics.SessionFlags](sensorkit/srspeechmetrics/sessionflags-swift.struct.md)
- [timeSinceAudioStart](sensorkit/srspeechmetrics/timesinceaudiostart.md)
- [timestamp](sensorkit/srspeechmetrics/timestamp.md)