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# setInstanceTransforms(_:)

Assigns or clears the transform buffer for GPU instancing.

```
final func setInstanceTransforms(_ instanceTransforms: LowLevelInstanceTransformResource?) throws(LowLevelRenderContextError)
```

## Parameters

`instanceTransforms`

The transform buffer to assign, or `nil` to revert to
single-instance rendering.

## Discussion> Throws: ``doc://com.apple.RealityKit/documentation/RealityKit/LowLevelRenderContextError`` if `instanceTransforms` is incompatible with this instance.

---

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