# FileGrainStorageOptions.RootDirectory

[Type overview](/orleans/docs/api/csharp/microsoft.orleans.runtime/orleans.persistence.filestorage.filegrainstorageoptions/) | [Properties](/orleans/docs/api/csharp/microsoft.orleans.runtime/orleans.persistence.filestorage.filegrainstorageoptions/properties/)

[Source](https://github.com/dotnet/orleans/blob/1644940b035c7bdf215a4fd7135757c06bcfe9ec/src/Orleans.Runtime/Persistence/FileStorage/FileGrainStorageOptions.cs)

```csharp
public string RootDirectory
```

Gets or sets the directory used to store grain state.