---
title: FMFontFamilyCallbackFilterUPP
framework: Application Services
role: symbol
role_heading: Type Alias
platforms: [Mac Catalyst 13.0+]
path: applicationservices/fmfontfamilycallbackfilterupp
---

# FMFontFamilyCallbackFilterUPP

## Declaration

```swift
typealias FMFontFamilyCallbackFilterUPP = FMFontFamilyCallbackFilterProcPtr
```