---
title: FoveatedStreamingExtension.MessageChannel
framework: Foveated Streaming
role: symbol
role_heading: Type Alias
platforms: [visionOS 27.0+]
path: foveatedstreaming/foveatedstreamingextension/messagechannel
---

# FoveatedStreamingExtension.MessageChannel

A message channel between the host app and the extension.

## Declaration

```swift
typealias MessageChannel = FoveatedStreamingProviderMessageChannel
```