# TransactionInfo.TransactionId

[Type overview](/orleans/docs/api/csharp/microsoft.orleans.transactions/orleans.transactions.transactioninfo/) | [Properties](/orleans/docs/api/csharp/microsoft.orleans.transactions/orleans.transactions.transactioninfo/properties/)

[Source](https://github.com/dotnet/orleans/blob/e4e752cedecc2976811db49802c7a999b1f1c704/src/Orleans.Transactions/DistributedTM/TransactionInfo.cs#L46)

```csharp
[Orleans.Id(0)]
public Guid TransactionId
```