---
title: "subscript(_:)"
framework: coreaudio
role: symbol
role_heading: Instance Subscript
path: "coreaudio/unsafemutableaudiobufferlistpointer/subscript(_:)"
---

# subscript(_:)

Access an indexed AudioBuffer (mBuffers[i]).

## Declaration

```swift
subscript(index: UnsafeMutableAudioBufferListPointer.Index) -> UnsafeMutableAudioBufferListPointer.Element { get nonmutating set }
```