---
title: NSLayoutConstraint.Attribute.trailing
framework: uikit
role: symbol
role_heading: Case
path: uikit/nslayoutconstraint/attribute/trailing
---

# NSLayoutConstraint.Attribute.trailing

The trailing edge of the object’s alignment rectangle.

## Declaration

```swift
case trailing
```

## See Also

### Constants

- [NSLayoutConstraint.Attribute.left](uikit/nslayoutconstraint/attribute/left.md)
- [NSLayoutConstraint.Attribute.right](uikit/nslayoutconstraint/attribute/right.md)
- [NSLayoutConstraint.Attribute.top](uikit/nslayoutconstraint/attribute/top.md)
- [NSLayoutConstraint.Attribute.bottom](uikit/nslayoutconstraint/attribute/bottom.md)
- [NSLayoutConstraint.Attribute.leading](uikit/nslayoutconstraint/attribute/leading.md)
- [NSLayoutConstraint.Attribute.width](uikit/nslayoutconstraint/attribute/width.md)
- [NSLayoutConstraint.Attribute.height](uikit/nslayoutconstraint/attribute/height.md)
- [NSLayoutConstraint.Attribute.centerX](uikit/nslayoutconstraint/attribute/centerx.md)
- [NSLayoutConstraint.Attribute.centerY](uikit/nslayoutconstraint/attribute/centery.md)
- [NSLayoutConstraint.Attribute.lastBaseline](uikit/nslayoutconstraint/attribute/lastbaseline.md)
- [NSLayoutConstraint.Attribute.firstBaseline](uikit/nslayoutconstraint/attribute/firstbaseline.md)
- [NSLayoutConstraint.Attribute.leftMargin](uikit/nslayoutconstraint/attribute/leftmargin.md)
- [NSLayoutConstraint.Attribute.rightMargin](uikit/nslayoutconstraint/attribute/rightmargin.md)
- [NSLayoutConstraint.Attribute.topMargin](uikit/nslayoutconstraint/attribute/topmargin.md)
- [NSLayoutConstraint.Attribute.bottomMargin](uikit/nslayoutconstraint/attribute/bottommargin.md)