---
title: collisionDelegate
framework: uikit
role: symbol
role_heading: Instance Property
path: uikit/uicollisionbehavior/collisiondelegate
---

# collisionDelegate

The delegate object that you want to respond to collisions for the collision behavior.

## Declaration

```swift
weak var collisionDelegate: (any UICollisionBehaviorDelegate)? { get set }
```

## See Also

### Customizing the collision behavior

- [UICollisionBehaviorDelegate](uikit/uicollisionbehaviordelegate.md)