# IPreservedJournalEntry.FormatKey

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

```csharp
public abstract string FormatKey
```

Gets the journal format key for this preserved entry.