---
title: largestVariableBufferFrameSize
framework: Core Audio
role: symbol
role_heading: Instance Property
platforms: [macOS 15.0+]
path: coreaudio/audiohardwaredevice/largestvariablebufferframesize
---

# largestVariableBufferFrameSize

An Int that indicates the largest buffer that will be passed and bufferFrameSize if usesVariableBufferFrameSizes is true.

## Declaration

```swift
var largestVariableBufferFrameSize: Int { get throws }
```