# IFieldCodec.ReadValue(Reader<TInput>, Field)

[Type overview](/orleans/docs/api/csharp/microsoft.orleans.serialization/orleans.serialization.codecs.ifieldcodec/) | [Methods](/orleans/docs/api/csharp/microsoft.orleans.serialization/orleans.serialization.codecs.ifieldcodec/methods/)

```csharp
public abstract object ReadValue<TInput>(ref Reader<TInput> reader, Field field)
```

Reads a value and returns it untyped. The type must still match the codec instance!

### Parameters

- `reader` (`Reader<TInput>`)
- `field` (`Field`)