---
title: AVCaptureSessionInterruptionReasonKey
framework: avfoundation
role: symbol
role_heading: Global Variable
path: avfoundation/avcapturesessioninterruptionreasonkey
---

# AVCaptureSessionInterruptionReasonKey

Key to retrieve information about a capture interruption from a wasInterruptedNotification user info dictionary.

## Declaration

```swift
let AVCaptureSessionInterruptionReasonKey: String
```

## Discussion

Discussion The value for this key is an NSNumber object containing a AVCaptureSession.InterruptionReason value.

## See Also

### User-infomation keys

- [AVCaptureSessionInterruptionSystemPressureStateKey](avfoundation/avcapturesessioninterruptionsystempressurestatekey.md)
- [AVCaptureSession.InterruptionReason](avfoundation/avcapturesession/interruptionreason.md)