---
title: durationWeight
framework: exposurenotification
role: symbol
role_heading: Instance Property
path: exposurenotification/enexposureconfiguration/durationweight
---

# durationWeight

The weight assigned to a score for the duration of the user’s exposure.

## Declaration

```swift
var durationWeight: Double { get set }
```

## Discussion

Discussion important: This property is available in iOS 12.5, and in iOS 13.5 and later. This weight parameter is not used.

## See Also

### Weight Configuration

- [attenuationWeight](exposurenotification/enexposureconfiguration/attenuationweight.md)
- [daysSinceLastExposureWeight](exposurenotification/enexposureconfiguration/dayssincelastexposureweight.md)
- [transmissionRiskWeight](exposurenotification/enexposureconfiguration/transmissionriskweight.md)