---
title: UIObjectTraitDefinition
framework: uikit
role: symbol
role_heading: Protocol
path: uikit/uiobjecttraitdefinition
---

# UIObjectTraitDefinition

## Declaration

```occ
@protocol UIObjectTraitDefinition <UITraitDefinition>
```

## Topics

### Type Properties

- [defaultValue](uikit/uiobjecttraitdefinition/defaultvalue.md)

## Relationships

### Inherits From

- [UITraitDefinition](uikit/uitraitdefinition-3572h.md)

### Conforming Types

- [UITraitPreferredContentSizeCategory](uikit/uitraitpreferredcontentsizecategory-c.class.md)
- [UITraitResolvesNaturalAlignmentWithBaseWritingDirection](uikit/uitraitresolvesnaturalalignmentwithbasewritingdirection-c.class.md)
- [UITraitTypesettingLanguage](uikit/uitraittypesettinglanguage-c.class.md)

## See Also

### Custom traits

- [Providing data to the view hierarchy with custom traits](uikit/providing-data-to-the-view-hierarchy-with-custom-traits.md)
- [UITrait](uikit/uitrait-1dbah.md)
- [UITraitDefinition](uikit/uitraitdefinition-3572h.md)
- [UICGFloatTraitDefinition](uikit/uicgfloattraitdefinition.md)
- [UINSIntegerTraitDefinition](uikit/uinsintegertraitdefinition.md)