# `GSCompositingOperation.GSCompositingOperationOverlay`

*Type Property*

`COMPOSITE_OVERLAY`         `kCGBlendModeOverlay`          `NSCompositingOperationOverlay`

## Declaration

```swift
static let overlay: GSCompositingOperation
```

```objc
extern GSCompositingOperation const GSCompositingOperationOverlay;
```

```python
GSCompositingOperationOverlay: GSCompositingOperation
```