---
title: kCMSampleBufferNotification_DataBecameReady
framework: coremedia
role: symbol
role_heading: Global Variable
path: coremedia/kcmsamplebuffernotification_databecameready
---

# kCMSampleBufferNotification_DataBecameReady

Posted on a sample buffer by the CMSampleBufferSetDataReady(_:) function when the buffer becomes ready.

## Declaration

```swift
let kCMSampleBufferNotification_DataBecameReady: CFString
```

## See Also

### Sample Buffer Notifications

- [kCMSampleBufferNotification_DataFailed](coremedia/kcmsamplebuffernotification_datafailed.md)
- [kCMSampleBufferNotificationParameter_OSStatus](coremedia/kcmsamplebuffernotificationparameter_osstatus.md)
- [kCMSampleBufferConsumerNotification_BufferConsumed](coremedia/kcmsamplebufferconsumernotification_bufferconsumed.md)