# SubmissionEntry<TLogEntry>.ResultPromise

[Type overview](/orleans/docs/api/csharp/microsoft.orleans.eventsourcing/orleans.eventsourcing.common.submissionentry-1/) | [Fields](/orleans/docs/api/csharp/microsoft.orleans.eventsourcing/orleans.eventsourcing.common.submissionentry-1/fields/)

```csharp
public TaskCompletionSource<bool> ResultPromise
```

For conditional updates, a promise that resolves once it is known whether the update was successful or not.