# `GSCompositingOperation.GSCompositingOperationDifference`

*Type Property*

`COMPOSITE_DIFFERENCE`      `kCGBlendModeDifference`       `NSCompositingOperationDifference`

## Declaration

```swift
static let difference: GSCompositingOperation
```

```objc
extern GSCompositingOperation const GSCompositingOperationDifference;
```

```python
GSCompositingOperationDifference: GSCompositingOperation
```