---
title: "updateAvailableMessageChannels(_:)"
framework: Foveated Streaming
role: symbol
role_heading: Instance Method
platforms: [visionOS 27.0+]
path: "foveatedstreaming/foveatedstreamingprovidercontext/updateavailablemessagechannels(_:)"
---

# updateAvailableMessageChannels(_:)

Notifies the host app that the list of available message channels has updated.

## Declaration

```swift
@MainActor final func updateAvailableMessageChannels(_ channelIDs: [FoveatedStreamingSession.MessageChannel.ID])
```