---
title: UILayoutPriority
framework: uikit
role: symbol
role_heading: Structure
path: uikit/uilayoutpriority
---

# UILayoutPriority

The layout priority is used to indicate to the constraint-based layout system which constraints are more important, allowing the system to make appropriate tradeoffs when satisfying the constraints of the system as a whole.

## Declaration

```swift
struct UILayoutPriority
```

## Topics

### Constants

- [required](uikit/uilayoutpriority/required.md)
- [defaultHigh](uikit/uilayoutpriority/defaulthigh.md)
- [dragThatCanResizeScene](uikit/uilayoutpriority/dragthatcanresizescene.md)
- [sceneSizeStayPut](uikit/uilayoutpriority/scenesizestayput.md)
- [dragThatCannotResizeScene](uikit/uilayoutpriority/dragthatcannotresizescene.md)
- [defaultLow](uikit/uilayoutpriority/defaultlow.md)
- [fittingSizeLevel](uikit/uilayoutpriority/fittingsizelevel.md)

### Initializers

- [init(_:)](uikit/uilayoutpriority/init(_:).md)
- [init(rawValue:)](uikit/uilayoutpriority/init(rawvalue:).md)

## Relationships

### Conforms To

- [BitwiseCopyable](swift/bitwisecopyable.md)
- [Comparable](swift/comparable.md)
- [Copyable](swift/copyable.md)
- [Equatable](swift/equatable.md)
- [Escapable](swift/escapable.md)
- [Hashable](swift/hashable.md)
- [RawRepresentable](swift/rawrepresentable.md)
- [Sendable](swift/sendable.md)
- [SendableMetatype](swift/sendablemetatype.md)

## See Also

### Getting the layout priority

- [priority](uikit/nslayoutconstraint/priority.md)
- [NSLayoutConstraint.Priority](appkit/nslayoutconstraint/priority-swift.struct.md)