---
title: planarUIAlwaysBehind
framework: realitykit
role: symbol
role_heading: Type Property
path: realitykit/modelsortgroup/planaruialwaysbehind
---

# 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 for usage.

## Declaration

```swift
static let planarUIAlwaysBehind: ModelSortGroup
```