# Codec_StreamId.Deserialize(Reader<TReaderInput>, StreamId)

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

```csharp
public void Deserialize<TReaderInput>(ref Reader<TReaderInput> reader, scoped ref StreamId instance)
```

Deserializes the specified type.

### Parameters

- `reader` (`Reader<TReaderInput>`): The reader.
- `instance` (`StreamId`): The value.