# FileGrainStorage.Participate(ISiloLifecycle)

[Type overview](/orleans/docs/api/csharp/microsoft.orleans.runtime/orleans.persistence.filestorage.filegrainstorage/) | [Methods](/orleans/docs/api/csharp/microsoft.orleans.runtime/orleans.persistence.filestorage.filegrainstorage/methods/)

[Source](https://github.com/dotnet/orleans/blob/1644940b035c7bdf215a4fd7135757c06bcfe9ec/src/Orleans.Runtime/Persistence/FileStorage/FileGrainStorage.cs#L146-L153)

```csharp
public void Participate(ISiloLifecycle lifecycle)
```

Adds the provided observer as a participant in the lifecycle.

### Parameters

- `lifecycle` (`ISiloLifecycle`): The observer.