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# subscript(_:)

Returns the mesh instance at the given index, or `nil` if the slot is unoccupied.

```
final subscript(position: Int) -> LowLevelMeshInstance? { get }
```

## Parameters

`position`

The slot index to retrieve.

## Return Value

The [`LowLevelMeshInstance`](/documentation/RealityKit/LowLevelMeshInstance) at `position`, or `nil` if the slot is empty.

---

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