---
title: invalidate()
framework: browserenginekit
role: symbol
role_heading: Instance Method
path: browserenginekit/layerhierarchy/invalidate()
---

# invalidate()

Invalidates a layer hierarchy.

## Declaration

```swift
func invalidate()
```

## Mentioned in

Hosting browser view layers in the rendering extension

## Discussion

Discussion When you call this method, the layer hierarchy is no longer of use. Communicate with your browser app process to remove the related hosting view (LayerHierarchyHostingView) from its superview.

## See Also

### Creating and invalidating a layer hierarchy

- [init()](browserenginekit/layerhierarchy/init().md)