---
title: kUnicodeNotAChar
framework: Core Services
role: symbol
role_heading: Enumeration Case
platforms: [Mac Catalyst 17.0+, macOS 10.0+]
path: coreservices/1400154-common_and_special_unicode_value/kunicodenotachar
---

# kUnicodeNotAChar

Not a Unicode character; may be used as a terminator.

## Declaration

```occ
kUnicodeNotAChar = 0xFFFF
```