---
title: single
framework: coretext
role: symbol
role_heading: Type Property
path: coretext/ctunderlinestyle/single
---

# single

A specifier that indicates to draw an underline consisting of a single line.

## Declaration

```swift
static var single: CTUnderlineStyle { get }
```

## See Also

### Constants

- [thick](coretext/ctunderlinestyle/thick.md)
- [double](coretext/ctunderlinestyle/double.md)