---
title: kCVBufferPropagatedAttachmentsKey
framework: corevideo
role: symbol
role_heading: Global Variable
path: corevideo/kcvbufferpropagatedattachmentskey
---

# kCVBufferPropagatedAttachmentsKey

Attachments that should be copied when using the CVBufferPropagateAttachments(_:_:) function (type CFDictionary, containing a list of attachments as key-value pairs).

## Declaration

```swift
let kCVBufferPropagatedAttachmentsKey: CFString
```

## See Also

### Constants

- [kCVBufferNonPropagatedAttachmentsKey](corevideo/kcvbuffernonpropagatedattachmentskey.md)