---
title: PortalComponent.BoundaryMode.clippingOnly
framework: realitykit
role: symbol
role_heading: Case
platforms: [iOS 27.0+, iPadOS 27.0+, Mac Catalyst 27.0+, macOS 27.0+, tvOS 27.0+, visionOS 27.0+]
path: realitykit/portalcomponent/boundarymode/clippingonly
---

# PortalComponent.BoundaryMode.clippingOnly

The portal clips its content to the boundary.

## Declaration

```swift
case clippingOnly
```

## Discussion

Discussion Entities with PortalCrossingComponent don’t cross the portal.