---
title: kTextEncodingUnicodeV3_1
framework: Core Services
role: symbol
role_heading: Enumeration Case
platforms: [Mac Catalyst 17.0+, macOS 10.1+]
path: coreservices/1400188-unicode_and_iso_ucs_text_encodin/ktextencodingunicodev3_1
---

# kTextEncodingUnicodeV3_1

Adds characters requiring surrogate pairs in UTF-16

## Declaration

```occ
kTextEncodingUnicodeV3_1 = 0x0105
```