# ITransactionalResource.Confirm(Guid, DateTime)

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

```csharp
public abstract Task Confirm(Guid transactionId, DateTime timeStamp)
```

Request sent by TM to participants to let them know a transaction has committed. Participants respond after cleaning up all prepare records.

### Parameters

- `transactionId` (`Guid`): The id of the committed transaction
- `timeStamp` (`DateTime`): The commit timestamp of the committed transaction