# Codec_StreamIdentity.Serialize(Writer<TBufferWriter>, StreamIdentity)

[Type overview](/orleans/docs/api/csharp/microsoft.orleans.streaming/orleanscodegen.orleans.streams.codec-streamidentity/) | [Methods](/orleans/docs/api/csharp/microsoft.orleans.streaming/orleanscodegen.orleans.streams.codec-streamidentity/methods/)

```csharp
public void Serialize<TBufferWriter>(ref Writer<TBufferWriter> writer, StreamIdentity instance)
```

### Parameters

- `writer` (`Writer<TBufferWriter>`)
- `instance` (`StreamIdentity`)