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# USDLayer.SpecType

The kind of spec stored at a path in a layer.

```
enum SpecType
```

## Topics

### Enumeration Cases

[`case attribute`](/documentation/USDKit/USDLayer/SpecType/attribute)

An attribute spec.

[`case connection`](/documentation/USDKit/USDLayer/SpecType/connection)

An attribute connection spec.

[`case prim`](/documentation/USDKit/USDLayer/SpecType/prim)

A prim spec.

[`case pseudoRoot`](/documentation/USDKit/USDLayer/SpecType/pseudoRoot)

The implicit pseudo-root spec at `/`.

[`case relationship`](/documentation/USDKit/USDLayer/SpecType/relationship)

A relationship spec.

[`case relationshipTarget`](/documentation/USDKit/USDLayer/SpecType/relationshipTarget)

A relationship target spec.

[`case variant`](/documentation/USDKit/USDLayer/SpecType/variant)

A variant spec.

[`case variantSet`](/documentation/USDKit/USDLayer/SpecType/variantSet)

A variant set spec.

## Relationships

### Conforms To

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

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

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

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

---

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