---
title: keyLayoutDataVersion
framework: coreservices
role: symbol
role_heading: Instance Property
path: coreservices/uckeyboardlayout/1390626-keylayoutdataversion
---

# keyLayoutDataVersion

An unsigned 16-bit integer identifying the version of the data in the resource, in binary code decimal format. For example, 0x0100 would equal version 1.0.

## Declaration

```swift
var keyLayoutDataVersion: UInt16
```