# S3JournalStorageOptions.GetObjectKey

[Type overview](/orleans/docs/api/csharp/microsoft.orleans.journaling.s3/orleans.journaling.s3journalstorageoptions/) | [Properties](/orleans/docs/api/csharp/microsoft.orleans.journaling.s3/orleans.journaling.s3journalstorageoptions/properties/)

[Source](https://github.com/dotnet/orleans/blob/1644940b035c7bdf215a4fd7135757c06bcfe9ec/src/AWS/Orleans.Journaling.S3/S3JournalStorageOptions.cs)

```csharp
public Func<JournalId, string> GetObjectKey
```

Gets or sets the delegate used to generate the base object key for a journal.