StreamKeyOverrideMessage Field Type Repeated Description message oneOf ⮑initial_config StreamKeyOverrideConfiguration ⮑subscription Subscription Argument of Method Description CreateTransformStreamKeyOverride Provide a new stream key for a single stream. Cannot be subscribed to multiple streams at once. The stream key is used for identifying streams within multiplexed sources and also is translated into URIs for HLS playlists and other resources. StreamKeyOverrideEvent StreamMetadata.AncillaryMetadata