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# ENExposureInfo

The incident information related to a potential exposure.

```
class ENExposureInfo
```

## Overview> Important:
> This class is available in iOS 12.5, and in iOS 13.5 and later. It isn’t supported for apps with <doc://com.apple.documentation/documentation/BundleResources/Information-Property-List/ENAPIVersion> set to `2` in the `Info.plist` file. Instead, ``doc://com.apple.exposurenotification/documentation/ExposureNotification/ENManager/getExposureWindows(summary:completionHandler:)`` provides an array of ``doc://com.apple.exposurenotification/documentation/ExposureNotification/ENExposureWindow`` objects.

This class carries information about an exposure incident.

## Topics

### Exposure Criteria

[`attenuationDurations`](/documentation/ExposureNotification/ENExposureInfo/attenuationDurations)

An array of durations at specific radio signal attenuations.

[`attenuationValue`](/documentation/ExposureNotification/ENExposureInfo/attenuationValue)

The attenutation risk level value for the exposure.

[`date`](/documentation/ExposureNotification/ENExposureInfo/date)

The date the exposure occurred.

[`duration`](/documentation/ExposureNotification/ENExposureInfo/duration)

The length of time that the contact was in proximity to the user.

[`totalRiskScore`](/documentation/ExposureNotification/ENExposureInfo/totalRiskScore)

The value that represents the total risk score the framework calculates for this exposure incident.

[`totalRiskScoreFullRange`](/documentation/ExposureNotification/ENExposureInfo/totalRiskScoreFullRange)

The value that represents the full-range total risk score the framework calculates for this exposure incident.

[`transmissionRiskLevel`](/documentation/ExposureNotification/ENExposureInfo/transmissionRiskLevel)

The transmission risk associated with a diagnosis key.

[`ENAttenuation`](/documentation/ExposureNotification/ENAttenuation)

The signal strength value.

[`metadata`](/documentation/ExposureNotification/ENExposureInfo/metadata)

The metadata associated with the exposure information.

[`daysSinceOnsetOfSymptoms`](/documentation/ExposureNotification/ENExposureInfo/daysSinceOnsetOfSymptoms)

The number of days since the onset of symptoms.

[`diagnosisReportType`](/documentation/ExposureNotification/ENExposureInfo/diagnosisReportType)

The method used to report the positive diagnosis.

[`ENDaysSinceOnsetOfSymptomsUnknown`](/documentation/ExposureNotification/ENDaysSinceOnsetOfSymptomsUnknown)

A value used when the number of days since onset of symptoms is unknown.

## Relationships

### Conforms To

[`CustomStringConvertible`](/documentation/Swift/CustomStringConvertible)

[`NSObjectProtocol`](/documentation/ObjectiveC/NSObjectProtocol)

[`CustomDebugStringConvertible`](/documentation/Swift/CustomDebugStringConvertible)

[`CVarArg`](/documentation/Swift/CVarArg)

[`Equatable`](/documentation/Swift/Equatable)

[`Hashable`](/documentation/Swift/Hashable)

### Inherits From

[`NSObject-swift.class`](/documentation/ObjectiveC/NSObject-swift.class)

---

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