---
title: ATSFontFamilyApplierFunction
framework: Application Services
role: symbol
role_heading: Type Alias
platforms: [Mac Catalyst 13.0+, macOS 10.0+]
path: applicationservices/atsfontfamilyapplierfunction
---

# ATSFontFamilyApplierFunction

## Declaration

```swift
typealias ATSFontFamilyApplierFunction = (ATSFontFamilyRef, UnsafeMutableRawPointer?) -> OSStatus
```