# ValueTupleCodec<T1, T2, T3, T4> Methods

[Type overview](/orleans/docs/api/csharp/microsoft.orleans.serialization/orleans.serialization.codecs.valuetuplecodec-4/)

## ReadValue(Reader<TInput>, Field) {#readvalue-1-ref-orleans-serialization-buffers-reader-tinput-orleans-serializatio-95dd3323}

[Dedicated page](/orleans/docs/api/csharp/microsoft.orleans.serialization/orleans.serialization.codecs.valuetuplecodec-4/methods/readvalue-1-ref-orleans-serialization-buffers-reader-tinput-orleans-serializatio-95dd3323/)

[Source](https://github.com/dotnet/orleans/blob/e4e752cedecc2976811db49802c7a999b1f1c704/src/Orleans.Serialization/Codecs/ValueTupleCodec.cs#L438-L463)

```csharp
public (T1, T2, T3, T4) ValueTupleCodec<T1, T2, T3, T4>.ReadValue<TInput>(ref Reader<TInput> reader, Field field)
```

Reads a value.

### Parameters

- `reader` (`Reader<TInput>`): The reader.
- `field` (`Field`): The field.

### Returns

The value.

## WriteField(Writer&lt;TBufferWriter&gt;, uint, Type, (T1, T2, T3, T4)) {#writefield-1-ref-orleans-serialization-buffers-writer-tbufferwriter-uint-system-703aca19}

[Dedicated page](/orleans/docs/api/csharp/microsoft.orleans.serialization/orleans.serialization.codecs.valuetuplecodec-4/methods/writefield-1-ref-orleans-serialization-buffers-writer-tbufferwriter-uint-system-703aca19/)

[Source](https://github.com/dotnet/orleans/blob/e4e752cedecc2976811db49802c7a999b1f1c704/src/Orleans.Serialization/Codecs/ValueTupleCodec.cs#L424-L433)

```csharp
public void ValueTupleCodec<T1, T2, T3, WriteField<TBufferWriter>(ref Writer<TBufferWriter> writer, uint fieldIdDelta, Type expectedType, (T1, T2, T3, T4) value)
```

Writes a field.

### Parameters

- `writer` (`Writer<TBufferWriter>`): The writer.
- `fieldIdDelta` (`uint`): The field identifier delta.
- `expectedType` (`Type`): The expected type.
- `value` (`(T1, T2, T3, T4)`): The value.