# IResponseCompletionSource

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

[NuGet package](https://www.nuget.org/packages/Microsoft.Orleans.Serialization) | [Source](https://github.com/dotnet/orleans/blob/e4e752cedecc2976811db49802c7a999b1f1c704/src/Orleans.Serialization/Invocation/IResponseCompletionSource.cs#L6)

```csharp
public interface IResponseCompletionSource
```

Represents a fulfillable promise for a response to a request.

## Methods

- [Complete](/orleans/docs/api/csharp/microsoft.orleans.serialization/orleans.serialization.invocation.iresponsecompletionsource/methods/complete-03bffabb/)
- [Complete(Response)](/orleans/docs/api/csharp/microsoft.orleans.serialization/orleans.serialization.invocation.iresponsecompletionsource/methods/complete-orleans-serialization-invocation-response-791fc7d1/)