---
title: dataFailed
framework: coremedia
role: symbol
role_heading: Type Property
path: coremedia/cmsamplebuffer/datafailed
---

# dataFailed

A notification the system posts when a sample buffer fails to load its data.

## Declaration

```swift
static let dataFailed: NSNotification.Name
```

## See Also

### Notifications

- [dataBecameReady](coremedia/cmsamplebuffer/databecameready.md)