# EventHubCheckpointer.FlushAsync(CancellationToken)

[Type overview](/orleans/docs/api/csharp/microsoft.orleans.streaming.eventhubs/orleans.streaming.eventhubs.eventhubcheckpointer/) | [Methods](/orleans/docs/api/csharp/microsoft.orleans.streaming.eventhubs/orleans.streaming.eventhubs.eventhubcheckpointer/methods/)

[Source](https://github.com/dotnet/orleans/blob/e4e752cedecc2976811db49802c7a999b1f1c704/src/Azure/Orleans.Streaming.EventHubs/Providers/Streams/EventHub/EventHubCheckpointer.cs#L167-L175)

```csharp
public Task FlushAsync(CancellationToken cancellationToken)
```

Flushes any pending checkpoint to persistent storage. Awaits any in-progress save, then persists the latest offset if it has advanced beyond the last saved value.

### Parameters

- `cancellationToken` (`CancellationToken`): The cancellation token.