# ParticipantId.Reference

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

[Source](https://github.com/dotnet/orleans/blob/e4e752cedecc2976811db49802c7a999b1f1c704/src/Orleans.Transactions/DistributedTM/ParticipantId.cs#L27)

```csharp
[Orleans.Id(1)]
public GrainReference Reference
```