---
title: didFailToDecodeNotificationErrorKey
framework: avfoundation
role: symbol
role_heading: Type Property
path: avfoundation/avsamplebuffervideorenderer/didfailtodecodenotificationerrorkey
---

# didFailToDecodeNotificationErrorKey

A key to retrieve an error object that provides the details of the failure.

## Declaration

```swift
class let didFailToDecodeNotificationErrorKey: String
```

## See Also

### Handling decode failures

- [didFailToDecodeNotification](avfoundation/avsamplebuffervideorenderer/didfailtodecodenotification.md)