# RequestBase Properties

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

## IsCancellable {#iscancellable-3f523a95}

[Dedicated page](/orleans/docs/api/csharp/microsoft.orleans.core.abstractions/orleans.runtime.requestbase/properties/iscancellable-3f523a95/)

[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.

## Options {#options-30f7be1d}

[Dedicated page](/orleans/docs/api/csharp/microsoft.orleans.core.abstractions/orleans.runtime.requestbase/properties/options-30f7be1d/)

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

```csharp
public InvokeMethodOptions Options
```

Gets the invocation options.