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

# ATSFontApplierFunction

## Declaration

```swift
typealias ATSFontApplierFunction = (ATSFontRef, UnsafeMutableRawPointer?) -> OSStatus
```