# JoinAttributionGrain.JoinAttributionGrain(IJoinAttributionGrain)

[Type overview](/orleans/docs/api/csharp/microsoft.orleans.transactions.testkit.base/orleans.transactions.testkit.transactionattributiongrainextensions.joinattributiongrain/) | [Constructors](/orleans/docs/api/csharp/microsoft.orleans.transactions.testkit.base/orleans.transactions.testkit.transactionattributiongrainextensions.joinattributiongrain/constructors/)

[Source](https://github.com/dotnet/orleans/blob/e4e752cedecc2976811db49802c7a999b1f1c704/src/Orleans.Transactions.TestKit.Base/Grains/ITransactionAttributionGrain.cs#L155-L158)

```csharp
public JoinAttributionGrain(IJoinAttributionGrain grain)
```

### Parameters

- `grain` (`IJoinAttributionGrain`)