---
title: mPacketDescriptions
framework: audiotoolbox
role: symbol
role_heading: Instance Property
path: audiotoolbox/audioqueuebuffer/mpacketdescriptions
---

# mPacketDescriptions

An array of AudioStreamPacketDescription structures for the buffer.

## Declaration

```swift
var mPacketDescriptions: UnsafeMutablePointer<AudioStreamPacketDescription>? { get }
```