# Codec_DataNotAvailableException.Deserialize(Reader<TReaderInput>, DataNotAvailableException)

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

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

Deserializes into the provided value.

### Parameters

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