Conversation and community channel members receive many chat updates through normal SDK live objects and collections. Use a subchannel topic when the screen needs explicit realtime delivery for a specific message thread.
Platform Surface
Parameters
Subscribe To A Subchannel
Subscribe when the thread screen becomes active, and unsubscribe when it leaves the screen or switches to another subchannel.Best Practices
Subscribe per visible thread
Subscribe per visible thread
Bind the subchannel subscription to the active message thread, not to the entire chat module. Switch the subscription when the user changes threads.
Keep the model source explicit
Keep the model source explicit
The snippets expect a real
SubChannel model returned by the SDK. Avoid constructing topic paths manually in app code.Use live collections for rendering
Use live collections for rendering
After subscribing, render messages from the SDK query or live collection APIs so local cache updates and pagination stay consistent.
Related Topics
Messages
Query and render messages for a subchannel.
Live Objects & Collections
Understand how realtime events update observed SDK data.