amazon-chime-sdk / com.amazonaws.services.chime.sdk.meetings.audiovideo.video.capture / VideoCaptureSource / addCaptureSourceObserver

# addCaptureSourceObserver

`abstract fun addCaptureSourceObserver(observer: CaptureSourceObserver): Unit`

Add a capture source observer to receive callbacks from the source on lifecycle events which can be used to trigger UI. This observer is entirely optional.

### Parameters

`observer` - : CaptureSourceObserver - New observer