# MessagePackCodec

Package: [Microsoft.Orleans.Serialization.MessagePack](/orleans/docs/api/csharp/microsoft.orleans.serialization.messagepack/) 10.0.0

[NuGet package](https://www.nuget.org/packages/Microsoft.Orleans.Serialization.MessagePack) | [Source](https://github.com/dotnet/orleans/blob/e4e752cedecc2976811db49802c7a999b1f1c704/src/Orleans.Serialization.MessagePack/MessagePackCodec.cs#L27)

```csharp
[Orleans.Alias(msgpack)]
public class MessagePackCodec : IDeepCopier, IGeneralizedCopier, IFieldCodec, ITypeFilter, IGeneralizedCodec
```

A serialization codec which uses `MessagePack.MessagePackSerializer`.

## Remarks

MessagePack codec performs slightly worse than default Orleans serializer, if performance is critical for your application, consider using default serialization.

## Constructors

- [MessagePackCodec(IEnumerable<ICodecSelector>, IEnumerable<ICopierSelector>, IOptions<MessagePackCodecOptions>)](/orleans/docs/api/csharp/microsoft.orleans.serialization.messagepack/orleans.serialization.messagepackcodec/constructors/constructor-system-collections-generic-ienumerable-orleans-serialization-seriali-8673e97a/)

## Fields

- [WellKnownAlias](/orleans/docs/api/csharp/microsoft.orleans.serialization.messagepack/orleans.serialization.messagepackcodec/fields/wellknownalias-0aec5397/)