---
title: dimmingVisualEffect
framework: uikit
role: symbol
role_heading: Instance Property
path: uikit/uiviewcontroller/transition/zoomoptions/dimmingvisualeffect
---

# dimmingVisualEffect

The dimming visual effect.

## Declaration

```swift
var dimmingVisualEffect: UIBlurEffect? { get set }
```

## See Also

### Setting options

- [alignmentRectProvider](uikit/uiviewcontroller/transition/zoomoptions/alignmentrectprovider.md)
- [UIViewController.Transition.ZoomOptions.AlignmentRectContext](uikit/uiviewcontroller/transition/zoomoptions/alignmentrectcontext.md)
- [dimmingColor](uikit/uiviewcontroller/transition/zoomoptions/dimmingcolor.md)