# JsonLinesJournalFormat Fields

[Type overview](/orleans/docs/api/csharp/microsoft.orleans.journaling/orleans.journaling.json.jsonlinesjournalformat/)

## JournalFormatKey {#journalformatkey-1dfa57ac}

[Dedicated page](/orleans/docs/api/csharp/microsoft.orleans.journaling/orleans.journaling.json.jsonlinesjournalformat/fields/journalformatkey-1dfa57ac/)

[Source](https://github.com/dotnet/orleans/blob/8efd4352592e66dffd235c823bfb83ecb3945320/src/Orleans.Journaling/Formats/Json/JsonLinesJournalFormat.cs)

```csharp
public const string JournalFormatKey
```

The well-known key for the JSON Lines journal format.