---
title: kUnicodeSwappedByteOrderMark
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/kunicodeswappedbyteordermark
---

# kUnicodeSwappedByteOrderMark

Not a Unicode character; byte-swapped version of FEFF.

## Declaration

```occ
kUnicodeSwappedByteOrderMark = 0xFFFE
```