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# USDPrim.VariantSetCollection

Manages variant sets on a prim.

```
struct VariantSetCollection
```

## Overview

Variants provide a way to package multiple variations of scene data
within a single asset. A prim can have multiple variant sets, each
containing named variants that can be selected at runtime.

## Topics

### Instance Properties

[`var names: [String]`](/documentation/USDKit/USDPrim/VariantSetCollection/names)

The names of all variant sets on this prim.

[`var selections: [String : String]`](/documentation/USDKit/USDPrim/VariantSetCollection/selections)

The composed variant selections on this prim, keyed by variant set name.

### Instance Methods

[`func add(String) throws -> USDPrim.VariantSet`](/documentation/USDKit/USDPrim/VariantSetCollection/add(_:))

Adds a new variant set to the prim.

### Subscripts

[`subscript(String) -> USDPrim.VariantSet?`](/documentation/USDKit/USDPrim/VariantSetCollection/subscript(_:))

Returns the variant set with the specified name, or `nil` if no
variant set with that name exists on the prim.

---

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