# RequestBase.IsCancellable

[Type overview](/orleans/docs/api/csharp/microsoft.orleans.core.abstractions/orleans.runtime.requestbase/) | [Properties](/orleans/docs/api/csharp/microsoft.orleans.core.abstractions/orleans.runtime.requestbase/properties/)

[Source](https://github.com/dotnet/orleans/blob/e4e752cedecc2976811db49802c7a999b1f1c704/src/Orleans.Core.Abstractions/Runtime/GrainReference.cs#L604)

```csharp
public virtual bool IsCancellable
```

`true` if this request supports cancellation; `false` otherwise.