---
title: roll
framework: uikit
role: symbol
role_heading: Type Property
path: uikit/uitouch/properties/roll
---

# roll

A touch property, representing barrel-roll angle, in a bit mask.

## Declaration

```swift
static var roll: UITouch.Properties { get }
```

## See Also

### Constants

- [force](uikit/uitouch/properties/force.md)
- [azimuth](uikit/uitouch/properties/azimuth.md)
- [altitude](uikit/uitouch/properties/altitude.md)
- [location](uikit/uitouch/properties/location.md)