# ListCodec<T> Constructors

[Type overview](/orleans/docs/api/csharp/microsoft.orleans.serialization/orleans.serialization.codecs.listcodec-1/)

## ListCodec<T>(IFieldCodec<T>) {#constructor-orleans-serialization-codecs-ifieldcodec-t-b395b3d8}

[Dedicated page](/orleans/docs/api/csharp/microsoft.orleans.serialization/orleans.serialization.codecs.listcodec-1/constructors/constructor-orleans-serialization-codecs-ifieldcodec-t-b395b3d8/)

[Source](https://github.com/dotnet/orleans/blob/e4e752cedecc2976811db49802c7a999b1f1c704/src/Orleans.Serialization/Codecs/ListCodec.cs#L21-L32)

```csharp
public ListCodec(IFieldCodec<T> fieldCodec)
```

Initializes a new instance of the `Orleans.Serialization.Codecs.ListCodec-1` class.

### Parameters

- `fieldCodec` (`IFieldCodec<T>`): The field codec.