# KeyValuePairCodec<TKey, TValue> Constructors

[Type overview](/orleans/docs/api/csharp/microsoft.orleans.serialization/orleans.serialization.codecs.keyvaluepaircodec-2/)

## KeyValuePairCodec<TKey, TValue>(IFieldCodec<TKey>, IFieldCodec<TValue>) {#constructor-orleans-serialization-codecs-ifieldcodec-tkey-orleans-serialization-33342f5d}

[Dedicated page](/orleans/docs/api/csharp/microsoft.orleans.serialization/orleans.serialization.codecs.keyvaluepaircodec-2/constructors/constructor-orleans-serialization-codecs-ifieldcodec-tkey-orleans-serialization-33342f5d/)

[Source](https://github.com/dotnet/orleans/blob/e4e752cedecc2976811db49802c7a999b1f1c704/src/Orleans.Serialization/Codecs/KeyValuePairCodec.cs#L22-L34)

```csharp
public KeyValuePairCodec<TKey, KeyValuePairCodec(IFieldCodec<TKey> keyCodec, IFieldCodec<TValue> valueCodec)
```

Initializes a new instance of the `Orleans.Serialization.Codecs.KeyValuePairCodec-2` class.

### Parameters

- `keyCodec` (`IFieldCodec<TKey>`): The key codec.
- `valueCodec` (`IFieldCodec<TValue>`): The value codec.