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# UIPageViewController.SpineLocation

Locations for the spine.

```
enum SpineLocation
```

## Overview

To set the spine location, wrap one of these constants in an <doc://com.apple.documentation/documentation/Foundation/NSNumber> object and set it as the value for the [`spineLocation`](/documentation/UIKit/UIPageViewController/OptionsKey/spineLocation) key in the options dictionary passed to the [`init(transitionStyle:navigationOrientation:options:)`](/documentation/UIKit/UIPageViewController/init(transitionStyle:navigationOrientation:options:)) method.

## Topics

### Constants

[`UIPageViewControllerSpineLocationNone`](/documentation/UIKit/UIPageViewController/SpineLocation-swift.enum/none)

No spine.

[`UIPageViewControllerSpineLocationMin`](/documentation/UIKit/UIPageViewController/SpineLocation-swift.enum/min)

Spine at the left or top edge of the screen.

[`UIPageViewControllerSpineLocationMid`](/documentation/UIKit/UIPageViewController/SpineLocation-swift.enum/mid)

Spine in the middle or the screen.

[`UIPageViewControllerSpineLocationMax`](/documentation/UIKit/UIPageViewController/SpineLocation-swift.enum/max)

Spine at the right or bottom edge of the screen.

## Relationships

### Conforms To

[`Hashable`](/documentation/Swift/Hashable)

[`Sendable`](/documentation/Swift/Sendable)

[`RawRepresentable`](/documentation/Swift/RawRepresentable)

[`BitwiseCopyable`](/documentation/Swift/BitwiseCopyable)

[`Equatable`](/documentation/Swift/Equatable)

[`SendableMetatype`](/documentation/Swift/SendableMetatype)

---

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