---
title: kUnicodeMatchOtherBaseMask
framework: Core Services
role: symbol
role_heading: Enumeration Case
platforms: [Mac Catalyst 17.0+, macOS 10.0+]
path: coreservices/1433554-unicode_matching_masks/kunicodematchotherbasemask
---

# kUnicodeMatchOtherBaseMask

If set, excludes mappings that do not match the text encoding base of the otherEncoding field of the structure UnicodeMapping. If not set, the function ignores the text encoding base of that field.

## Declaration

```occ
kUnicodeMatchOtherBaseMask = 1L << kUnicodeMatchOtherBaseBit
```