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

# outputSafetyOffset

An Int whose value indicates the number for frames ahead of the current hardware position that is safe to do IO.

## Declaration

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