---
title: UICollisionBehavior.Mode
framework: uikit
role: symbol
role_heading: Structure
path: uikit/uicollisionbehavior/mode
---

# UICollisionBehavior.Mode

The types of edges that participate in collisions for a collision behavior.

## Declaration

```swift
struct Mode
```

## Topics

### Constants

- [items](uikit/uicollisionbehavior/mode/items.md)
- [boundaries](uikit/uicollisionbehavior/mode/boundaries.md)
- [everything](uikit/uicollisionbehavior/mode/everything.md)

### Initializers

- [init(rawValue:)](uikit/uicollisionbehavior/mode/init(rawvalue:).md)

## Relationships

### Conforms To

- [BitwiseCopyable](swift/bitwisecopyable.md)
- [Equatable](swift/equatable.md)
- [ExpressibleByArrayLiteral](swift/expressiblebyarrayliteral.md)
- [OptionSet](swift/optionset.md)
- [RawRepresentable](swift/rawrepresentable.md)
- [Sendable](swift/sendable.md)
- [SendableMetatype](swift/sendablemetatype.md)
- [SetAlgebra](swift/setalgebra.md)