# JournaledStateManagerOptions.JournalFormatKey

[Type overview](/orleans/docs/api/csharp/microsoft.orleans.journaling/orleans.journaling.journaledstatemanageroptions/) | [Properties](/orleans/docs/api/csharp/microsoft.orleans.journaling/orleans.journaling.journaledstatemanageroptions/properties/)

[Source](https://github.com/dotnet/orleans/blob/e4e752cedecc2976811db49802c7a999b1f1c704/src/Orleans.Journaling/JournaledStateManagerOptions.cs)

```csharp
public string JournalFormatKey
```

Gets or sets the journal format key used to write journal data.