# ITransactionalResource.Abort(Guid)

[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 Abort(Guid transactionId)
```

One-way message sent by TA to participants to let them know a transaction has aborted.

### Parameters

- `transactionId` (`Guid`): The id of the aborted transaction