---
title: UISheetPresentationController.Detent.Identifier
framework: uikit
role: symbol
role_heading: Structure
path: uikit/uisheetpresentationcontroller/detent/identifier-swift.struct
---

# UISheetPresentationController.Detent.Identifier

Constants that identify system detent sizes.

## Declaration

```swift
struct Identifier
```

## Topics

### Identifying detent size

- [large](uikit/uisheetpresentationcontroller/detent/identifier-swift.struct/large.md)
- [medium](uikit/uisheetpresentationcontroller/detent/identifier-swift.struct/medium.md)

### Creating a detent identifier

- [init(_:)](uikit/uisheetpresentationcontroller/detent/identifier-swift.struct/init(_:).md)
- [init(rawValue:)](uikit/uisheetpresentationcontroller/detent/identifier-swift.struct/init(rawvalue:).md)

## Relationships

### Conforms To

- [Equatable](swift/equatable.md)
- [Hashable](swift/hashable.md)
- [RawRepresentable](swift/rawrepresentable.md)
- [Sendable](swift/sendable.md)
- [SendableMetatype](swift/sendablemetatype.md)

## See Also

### Identifying a detent

- [identifier](uikit/uisheetpresentationcontroller/detent/identifier-swift.property.md)