---
title: count
framework: coreaudiotypes
role: symbol
role_heading: Instance Property
path: coreaudiotypes/audiochannellayout/unsafemutablepointer/count
---

# count

The number of AudioChannelDescriptions

## Declaration

```swift
var count: Int { get nonmutating set }
```

## Discussion

Discussion Warning: Setting a new value will not change the allocated size and may result in invalid access past the allocation.