# IActivationWorkingSet Properties

[Type overview](/orleans/docs/api/csharp/microsoft.orleans.runtime/orleans.runtime.iactivationworkingset/)

## Count {#count-773cf7f4}

[Dedicated page](/orleans/docs/api/csharp/microsoft.orleans.runtime/orleans.runtime.iactivationworkingset/properties/count-773cf7f4/)

```csharp
public abstract int Count
```

Returns the number of grain activations which were recently active.