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  "title" : "USDPrim.Property"
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# USDPrim.Property

A named property on a prim, which is either an attribute or a relationship.

```
struct Property
```

## Topics

### Structures

[`struct Spec`](/documentation/USDKit/USDPrim/Property/Spec)

A handle to a property definition (attribute or relationship) stored
in a layer.

### Initializers

[`init()`](/documentation/USDKit/USDPrim/Property/init())

An invalid property handle.

[`init?(USDStage.Object)`](/documentation/USDKit/USDPrim/Property/init(_:)-2927p)

Casts an object handle to a property handle.

[`init(USDPrim.Attribute)`](/documentation/USDKit/USDPrim/Property/init(_:)-7co8b)

Casts an attribute handle to a property handle.

[`init(USDPrim.Relationship)`](/documentation/USDKit/USDPrim/Property/init(_:)-po4e)

### Instance Properties

[`var baseName: USDToken`](/documentation/USDKit/USDPrim/Property/baseName)

The name of this property without its namespace prefix.

[`var isAuthored: Bool`](/documentation/USDKit/USDPrim/Property/isAuthored)

A Boolean value that indicates whether this property has any authored opinions.

[`var isCustom: Bool`](/documentation/USDKit/USDPrim/Property/isCustom)

A Boolean value that indicates whether this property is a custom property not defined by a schema.

[`var isDefined: Bool`](/documentation/USDKit/USDPrim/Property/isDefined)

A Boolean value that indicates whether this property has a defining specification on the stage.

[`var isValid: Bool`](/documentation/USDKit/USDPrim/Property/isValid)

A Boolean value indicating whether this property is valid.

[`var name: USDToken`](/documentation/USDKit/USDPrim/Property/name)

The name of this property.

[`var namespace: USDToken`](/documentation/USDKit/USDPrim/Property/namespace)

The namespace prefix of this property’s name, or an empty token if it has none.

[`var path: USDLayer.Path`](/documentation/USDKit/USDPrim/Property/path)

The complete scene path to this property, relative to its stage.

[`var prim: USDPrim`](/documentation/USDKit/USDPrim/Property/prim)

The nearest prim that contains this property.

[`var primPath: USDLayer.Path`](/documentation/USDKit/USDPrim/Property/primPath)

The complete path to the nearest prim that contains this property.

[`var stage: USDStage`](/documentation/USDKit/USDPrim/Property/stage)

The stage that owns this property.

### Enumerations

[`enum Variability`](/documentation/USDKit/USDPrim/Property/Variability)

Whether a property’s value can change over time.

### Default Implementations

[CustomStringConvertible Implementations](/documentation/USDKit/USDPrim/Property/CustomStringConvertible-Implementations)

## Relationships

### Conforms To

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

[`MetadataCollection`](/documentation/USDKit/USDStage/Object/MetadataCollection)

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

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

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

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

---

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