Function onSpeaking

onSpeaking(fn): Unsubscribe
Subscribe to changes in other users' speaking state.
Parameters
- fn: ((event) => void)
  
  Handler that receives the speaking event.
  - - (event): void
    - Parameters
      
      event: SpeakingEvent
      
      Returns void
Returns Unsubscribe
A function that cancels the subscription. Call it on teardown.
- Defined in packages/core/subpaths/users/index.ts:83