# IAddressable

Package: [Microsoft.Orleans.Core.Abstractions](/orleans/docs/api/csharp/microsoft.orleans.core.abstractions/) 10.0.0

[NuGet package](https://www.nuget.org/packages/Microsoft.Orleans.Core.Abstractions)

```csharp
[Orleans.GenerateMethodSerializers(Orleans.Runtime.GrainReference, False)]
public interface IAddressable
```

Marker interface for addressable endpoints, such as grains, observers, and other system-internal addressable endpoints