# CausalClock.Merge(DateTime)

[Type overview](/orleans/docs/api/csharp/microsoft.orleans.transactions/orleans.transactions.causalclock/) | [Methods](/orleans/docs/api/csharp/microsoft.orleans.transactions/orleans.transactions.causalclock/methods/)

[Source](https://github.com/dotnet/orleans/blob/e4e752cedecc2976811db49802c7a999b1f1c704/src/Orleans.Transactions/Utilities/CausalClock.cs#L32-L38)

```csharp
public DateTime Merge(DateTime timestamp)
```

### Parameters

- `timestamp` (`DateTime`)