---
title: duration
framework: sensorkit
role: symbol
role_heading: Instance Property
path: sensorkit/srdeviceusagereport/duration
---

# duration

The duration that the report spans.

## Declaration

```swift
var duration: TimeInterval { get }
```

## See Also

### Summarizing Device Use

- [totalScreenWakes](sensorkit/srdeviceusagereport/totalscreenwakes.md)
- [totalUnlocks](sensorkit/srdeviceusagereport/totalunlocks.md)
- [totalUnlockDuration](sensorkit/srdeviceusagereport/totalunlockduration.md)