---
title: CMMutableDataBlockBuffer.Attachments
framework: coremedia
role: symbol
role_heading: Type Alias
path: coremedia/cmmutabledatablockbuffer/attachments-swift.typealias
---

# CMMutableDataBlockBuffer.Attachments

## Declaration

```swift
typealias Attachments = CVAttachmentAccess<CMBlockBufferAttachmentKeyDefinitions>
```