---
title: mask
framework: pencilkit
role: symbol
role_heading: Instance Property
path: pencilkit/pkstrokereference/mask
---

# mask

The pretransform mask used to clip the rendering of the stroke.

## Declaration

```swift
var mask: UIBezierPath? { get }
```

```swift
var mask: NSBezierPath? { get }
```

## See Also

### Getting the stroke properties

- [ink](pencilkit/pkstrokereference/ink.md)
- [maskedPathRanges](pencilkit/pkstrokereference/maskedpathranges.md)
- [path](pencilkit/pkstrokereference/path.md)
- [renderBounds](pencilkit/pkstrokereference/renderbounds.md)
- [transform](pencilkit/pkstrokereference/transform.md)
- [randomSeed](pencilkit/pkstrokereference/randomseed.md)