---
title: kUnicodeUseHFSPlusMapping
framework: Core Services
role: symbol
role_heading: Enumeration Case
platforms: [Mac Catalyst 17.0+, macOS 10.0+]
path: coreservices/1433552-anonymous/kunicodeusehfsplusmapping
---

# kUnicodeUseHFSPlusMapping

Indicates the mapping version used by HFS Plus to convert filenames between Mac OS encodings and Unicode. Only one constant is defined so far for a specific mapping version.

## Declaration

```occ
kUnicodeUseHFSPlusMapping = 4
```