---
title: "PortalComponent.CrossingMode.plane(_:)"
framework: realitykit
role: symbol
role_heading: Case
path: "realitykit/portalcomponent/crossingmode-swift.enum/plane(_:)"
---

# PortalComponent.CrossingMode.plane(_:)

Allows contents within the portal to cross out of the portal along the provided plane.

## Declaration

```swift
case plane(PortalComponent.Plane)
```