---
title: attenuationWeight
framework: exposurenotification
role: symbol
role_heading: Instance Property
path: exposurenotification/enexposureconfiguration/attenuationweight
---

# attenuationWeight

The weight assigned to a score for the Bluetooth signal strength.

## Declaration

```swift
var attenuationWeight: 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

- [daysSinceLastExposureWeight](exposurenotification/enexposureconfiguration/dayssincelastexposureweight.md)
- [durationWeight](exposurenotification/enexposureconfiguration/durationweight.md)
- [transmissionRiskWeight](exposurenotification/enexposureconfiguration/transmissionriskweight.md)