# Codec_Observation.Deserialize(Reader<TReaderInput>, Observation)

[Type overview](/orleans/docs/api/csharp/microsoft.orleans.transactions.testkit.base/orleanscodegen.orleans.transactions.testkit.consistency.codec-observation/) | [Methods](/orleans/docs/api/csharp/microsoft.orleans.transactions.testkit.base/orleanscodegen.orleans.transactions.testkit.consistency.codec-observation/methods/)

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

Deserializes the specified type.

### Parameters

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