# JournalCatalogEntry Properties

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

## Id {#id-4b0d40df}

[Dedicated page](/orleans/docs/api/csharp/microsoft.orleans.journaling/orleans.journaling.journalcatalogentry/properties/id-4b0d40df/)

[Source](https://github.com/dotnet/orleans/blob/8bc9fd244427351ad24ccc039a9e7642a42c1cc4/src/Orleans.Journaling/JournalCatalogEntry.cs)

```csharp
public JournalId Id
```

The journal identity.

## Metadata {#metadata-5a39b491}

[Dedicated page](/orleans/docs/api/csharp/microsoft.orleans.journaling/orleans.journaling.journalcatalogentry/properties/metadata-5a39b491/)

[Source](https://github.com/dotnet/orleans/blob/8bc9fd244427351ad24ccc039a9e7642a42c1cc4/src/Orleans.Journaling/JournalCatalogEntry.cs)

```csharp
public IJournalMetadata? Metadata
```

The journal format, storage ETag, and complete caller-owned metadata properties observed together, or `null` when metadata was not requested or is unavailable from the listing.