# IEvictionStrategy.OnPurged

[Type overview](/orleans/docs/api/csharp/microsoft.orleans.streaming/orleans.providers.streams.common.ievictionstrategy/) | [Properties](/orleans/docs/api/csharp/microsoft.orleans.streaming/orleans.providers.streams.common.ievictionstrategy/properties/)

```csharp
public abstract Action<CachedMessage?, CachedMessage?> OnPurged
```

Gets or sets the method which will be called when purge is finished.