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# planarUIAlwaysBehind

A model sort group that instructs the renderer to draw a model’s mesh
behind a SwiftUI layer that’s coincident with the mesh. See [`ModelSortGroup.PlanarUIPlacement`](/documentation/RealityKit/ModelSortGroup/PlanarUIPlacement-swift.enum) for usage.

```
static let planarUIAlwaysBehind: ModelSortGroup
```

---

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