---
title: ENScanInstance
framework: exposurenotification
role: symbol
role_heading: Class
path: exposurenotification/enscaninstance
---

# ENScanInstance

The aggregation of attenuations of beacons received during a scan.

## Declaration

```swift
class ENScanInstance
```

## Overview

Overview important: This property is available in iOS 12.5, and in iOS 13.7 and later.

## Topics

### Getting Scan Instance Properties

- [minimumAttenuation](exposurenotification/enscaninstance/minimumattenuation.md)
- [secondsSinceLastScan](exposurenotification/enscaninstance/secondssincelastscan.md)
- [typicalAttenuation](exposurenotification/enscaninstance/typicalattenuation.md)

## Relationships

### Inherits From

- [NSObject](objectivec/nsobject-swift.class.md)

### Conforms To

- [CVarArg](swift/cvararg.md)
- [CustomDebugStringConvertible](swift/customdebugstringconvertible.md)
- [CustomStringConvertible](swift/customstringconvertible.md)
- [Equatable](swift/equatable.md)
- [Hashable](swift/hashable.md)
- [NSObjectProtocol](objectivec/nsobjectprotocol.md)

## See Also

### Exposures

- [Configuring Exposure Notifications](exposurenotification/configuring-exposure-notifications.md)
- [ENExposureConfiguration](exposurenotification/enexposureconfiguration.md)
- [ENExposureWindow](exposurenotification/enexposurewindow.md)
- [Exposure Parameter Limits](exposurenotification/exposure-parameter-limits.md)