---
title: ModelSortGroup.DepthPass.prePass
framework: realitykit
role: symbol
role_heading: Case
path: realitykit/modelsortgroup/depthpass-swift.enum/prepass
---

# ModelSortGroup.DepthPass.prePass

An option that instructs the renderer to draw the depth of all the models in the group before it draws any model’s color.

## Declaration

```swift
case prePass
```