# TupleCodec<T1, T2, T3, T4> Constructors

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

## TupleCodec<T1, T2, T3, T4>(IFieldCodec<T1>, IFieldCodec<T2>, IFieldCodec<T3>, IFieldCodec<T4>) {#constructor-orleans-serialization-codecs-ifieldcodec-t1-orleans-serialization-co-801397e7}

[Dedicated page](/orleans/docs/api/csharp/microsoft.orleans.serialization/orleans.serialization.codecs.tuplecodec-4/constructors/constructor-orleans-serialization-codecs-ifieldcodec-t1-orleans-serialization-co-801397e7/)

[Source](https://github.com/dotnet/orleans/blob/e4e752cedecc2976811db49802c7a999b1f1c704/src/Orleans.Serialization/Codecs/TupleCodec.cs#L421-L448)

```csharp
public TupleCodec<T1, T2, T3, TupleCodec(IFieldCodec<T1> item1Codec, IFieldCodec<T2> item2Codec, IFieldCodec<T3> item3Codec, IFieldCodec<T4> item4Codec)
```

Initializes a new instance of the `Orleans.Serialization.Codecs.TupleCodec-4` class.

### Parameters

- `item1Codec` (`IFieldCodec<T1>`): The `T1` codec.
- `item2Codec` (`IFieldCodec<T2>`): The `T2` codec.
- `item3Codec` (`IFieldCodec<T3>`): The `T3` codec.
- `item4Codec` (`IFieldCodec<T4>`): The `T4` codec.