# `GSDrawSlice.masks`

*Instance Property*

Requires [`GSDrawStackFeature.GSDrawStackFeatureSubtractionMasks`](/Core/GlyphsCore/GSDrawStackFeature/GSDrawStackFeatureSubtractionMasks) or [`GSDrawStackFeature.GSDrawStackFeatureIntersectionMasks`](/Core/GlyphsCore/GSDrawStackFeature/GSDrawStackFeatureIntersectionMasks).

## Declaration

```swift
var masks: [GSDrawSliceMask]? { get set }
```

```objc
@property (strong) NSArray<GSDrawSliceMask *> * masks;
```

```python
masks() -> list[GSDrawSliceMask]
setMasks_(masks: list[GSDrawSliceMask])
```