---
title: mappingVersion
framework: Core Services
role: symbol
role_heading: Instance Property
platforms: [Mac Catalyst 17.0+, macOS 10.0+]
path: coreservices/unicodemapping/1433626-mappingversion
---

# mappingVersion

The version of the Unicode mapping table to be used.

## Declaration

```occ
UnicodeMapVersion mappingVersion;
```