---
title: "CMBufferQueueCopyHead(_:)"
framework: Core Media
role: symbol
role_heading: Function
platforms: [iOS 17.0+, iPadOS 17.0+, Mac Catalyst 17.0+, macOS 14.0+, tvOS 17.0+, visionOS 1.0+, watchOS 10.0+]
path: "coremedia/cmbufferqueuecopyhead(_:)"
---

# CMBufferQueueCopyHead(_:)

## Declaration

```swift
func CMBufferQueueCopyHead(_ queue: CMBufferQueue) -> CMBuffer?
```