# IStreamQueueCheckpointer<TCheckpoint>.Update(TCheckpoint, DateTime)

[Type overview](/orleans/docs/api/csharp/microsoft.orleans.streaming/orleans.streams.istreamqueuecheckpointer-1/) | [Methods](/orleans/docs/api/csharp/microsoft.orleans.streaming/orleans.streams.istreamqueuecheckpointer-1/methods/)

```csharp
public abstract void Update(TCheckpoint offset, DateTime utcNow)
```

Updates the checkpoint.

### Parameters

- `offset` (`TCheckpoint`): The offset.
- `utcNow` (`DateTime`): The current UTC time.