CaptionTransformEvent Field Type Repeated Description message oneOf ⮑node_id MediaNodeId ⮑outbound_context Context ⮑subscription_response SubscriptionResponse ⮑inbound_context Context ⮑config_updated google.protobuf.Empty Argument of Method Description CreateTransformCaptionTransform Transform a subtitle/caption stream without conversion or fully re-encoding CaptionTransformConfiguration CaptionTransformMessage