# Codec_StreamIdentity Constructors [Type overview](/orleans/docs/api/csharp/microsoft.orleans.streaming/orleanscodegen.orleans.streams.codec-streamidentity/) ## Codec_StreamIdentity(IActivator<StreamIdentity>) {#constructor-orleans-serialization-activators-iactivator-orleans-streams-streamid-88812dad} [Dedicated page](/orleans/docs/api/csharp/microsoft.orleans.streaming/orleanscodegen.orleans.streams.codec-streamidentity/constructors/constructor-orleans-serialization-activators-iactivator-orleans-streams-streamid-88812dad/) ```csharp public Codec_StreamIdentity(IActivator _activator) ``` ### Parameters - `_activator` (`IActivator`)