<!--
{
  "availability" : [
    "macOS: -"
  ],
  "documentType" : "symbol",
  "framework" : "AppKit",
  "identifier" : "/documentation/AppKit/NSLayoutConstraint/Orientation",
  "metadataVersion" : "0.1.0",
  "role" : "Enumeration",
  "symbol" : {
    "kind" : "Enumeration",
    "modules" : [
      "AppKit"
    ],
    "preciseIdentifier" : "c:@E@NSLayoutConstraintOrientation"
  },
  "title" : "NSLayoutConstraint.Orientation"
}
-->

# NSLayoutConstraint.Orientation

The layout constraint orientation, either horizontal or vertical, that the constraint uses to enforce layout between objects.

```
enum Orientation
```

## Topics

### Constants

[`NSLayoutConstraintOrientationHorizontal`](/documentation/AppKit/NSLayoutConstraint/Orientation/horizontal)

The constraint orientation applied to laying out the horizontal relationship between objects.

[`NSLayoutConstraintOrientationVertical`](/documentation/AppKit/NSLayoutConstraint/Orientation/vertical)

The constraint orientation applied to laying out the vertical relationship between objects.

## Relationships

### Conforms To

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

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

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

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

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

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

---

Copyright &copy; 2026 Apple Inc. All rights reserved. | [Terms of Use](https://www.apple.com/legal/internet-services/terms/site.html) | [Privacy Policy](https://www.apple.com/privacy/privacy-policy)