# GrainClassMap

Package: [Microsoft.Orleans.Runtime](/orleans/docs/api/csharp/microsoft.orleans.runtime/) 10.0.0

[NuGet package](https://www.nuget.org/packages/Microsoft.Orleans.Runtime) | [Source](https://github.com/dotnet/orleans/blob/e4e752cedecc2976811db49802c7a999b1f1c704/src/Orleans.Runtime/Manifest/GrainClassMap.cs#L13)

```csharp
public class GrainClassMap
```

Mapping between [GrainType](/orleans/docs/api/csharp/microsoft.orleans.core.abstractions/orleans.runtime.graintype/) and implementing `System.Type`.

## Constructors

- [GrainClassMap(TypeConverter, ImmutableDictionary<GrainType, Type>)](/orleans/docs/api/csharp/microsoft.orleans.runtime/orleans.metadata.grainclassmap/constructors/constructor-orleans-serialization-typesystem-typeconverter-system-collections-im-d4652290/)

## Methods

- [TryGetGrainClass(GrainType, Type)](/orleans/docs/api/csharp/microsoft.orleans.runtime/orleans.metadata.grainclassmap/methods/trygetgrainclass-orleans-runtime-graintype-out-system-type-1228e4a7/)