# JoinAttributionGrain.GetNestedTransactionIds(int, List<ITransactionAttributionGrain>)

[Type overview](/orleans/docs/api/csharp/microsoft.orleans.transactions.testkit.base/orleans.transactions.testkit.joinattributiongrain/) | [Methods](/orleans/docs/api/csharp/microsoft.orleans.transactions.testkit.base/orleans.transactions.testkit.joinattributiongrain/methods/)

[Source](https://github.com/dotnet/orleans/blob/e4e752cedecc2976811db49802c7a999b1f1c704/src/Orleans.Transactions.TestKit.Base/Grains/TransactionAttributionGrain.cs#L45)

```csharp
public Task<List<string>[]> GetNestedTransactionIds(int tier, List<ITransactionAttributionGrain>[] tiers)
```

### Parameters

- `tier` (`int`)
- `tiers` (`List<ITransactionAttributionGrain>`)