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# USDStage.Object.MetadataValue

A value that can be stored as metadata in a Universal Scene Description file.

```
protocol MetadataValue : Sendable
```

## Overview

Types that conform to this protocol can be authored as metadata
using [`USDStage.Object.MetadataCollection`](/documentation/USDKit/USDStage/Object/MetadataCollection).

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

## Relationships

### Conforming Types

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

### Inherits From

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

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

---

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