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# USDPrim.Attribute.Value

A value that can be stored on an attribute in a Universal Scene Description file.

```
protocol Value : Sendable
```

## Overview

Types that conform to this protocol can be authored as an attribute value
using [`USDPrim`](/documentation/USDKit/USDPrim), [`USDPrim.Attribute`](/documentation/USDKit/USDPrim/Attribute), or [`USDLayer`](/documentation/USDKit/USDLayer).

> Important: Don’t declare new conformances to `USDPrim.Attribute.Value`.
> Only the types already supported by the USDKit framework are valid
> conforming types.

## Topics

### Type Properties

[`static var valueType: USDPrim.Attribute.ValueType`](/documentation/USDKit/USDPrim/Attribute/Value/valueType)

## Relationships

### Conforming Types

[`AssetPath`](/documentation/USDKit/USDLayer/AssetPath)

[`Vec2d`](/documentation/USDKit/USDValue/Vec2d)

[`Vec4h`](/documentation/USDKit/USDValue/Vec4h)

[`USDArray`](/documentation/USDKit/USDArray)

[`USDToken`](/documentation/USDKit/USDToken)

[`PathExpression`](/documentation/USDKit/USDLayer/PathExpression)

[`Vec2f`](/documentation/USDKit/USDValue/Vec2f)

[`Vec3i`](/documentation/USDKit/USDValue/Vec3i)

[`TimeCode`](/documentation/USDKit/USDLayer/TimeCode)

[`Matrix3d`](/documentation/USDKit/USDValue/Matrix3d)

[`Vec2i`](/documentation/USDKit/USDValue/Vec2i)

[`Vec3h`](/documentation/USDKit/USDValue/Vec3h)

[`Vec2h`](/documentation/USDKit/USDValue/Vec2h)

[`Matrix2d`](/documentation/USDKit/USDValue/Matrix2d)

[`Quath`](/documentation/USDKit/USDValue/Quath)

[`Vec4f`](/documentation/USDKit/USDValue/Vec4f)

[`Matrix4d`](/documentation/USDKit/USDValue/Matrix4d)

[`Vec3d`](/documentation/USDKit/USDValue/Vec3d)

[`Quatf`](/documentation/USDKit/USDValue/Quatf)

[`Vec4i`](/documentation/USDKit/USDValue/Vec4i)

[`Vec4d`](/documentation/USDKit/USDValue/Vec4d)

[`Vec3f`](/documentation/USDKit/USDValue/Vec3f)

[`Quatd`](/documentation/USDKit/USDValue/Quatd)

### Inherits From

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

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

---

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