---
title: kUCTextBreakWordMask
framework: coreservices
role: symbol
role_heading: Global Variable
path: coreservices/kuctextbreakwordmask
---

# kUCTextBreakWordMask

If the bit specified by this mask is set, boundaries of words may be located. This can be used to determine what to highlight as the result of a double-click.

## Declaration

```swift
var kUCTextBreakWordMask: Int { get }
```