# PrimaryBasedLogViewAdaptor<TLogView, TLogEntry, TSubmissionEntry>.ConfirmedVersion

[Type overview](/orleans/docs/api/csharp/microsoft.orleans.eventsourcing/orleans.eventsourcing.common.primarybasedlogviewadaptor-3/) | [Properties](/orleans/docs/api/csharp/microsoft.orleans.eventsourcing/orleans.eventsourcing.common.primarybasedlogviewadaptor-3/properties/)

[Source](https://github.com/dotnet/orleans/blob/e4e752cedecc2976811db49802c7a999b1f1c704/src/Orleans.EventSourcing/Common/PrimaryBasedLogViewAdaptor.cs#L460-L463)

```csharp
public int PrimaryBasedLogViewAdaptor<TLogView, TLogEntry, ConfirmedVersion
```

The length of the confirmed prefix of the log