# ICreateOrJoinAttributionGrain Methods

[Type overview](/orleans/docs/api/csharp/microsoft.orleans.transactions.testkit.base/orleans.transactions.testkit.icreateorjoinattributiongrain/)

## GetNestedTransactionIds(int, List<ITransactionAttributionGrain>) {#getnestedtransactionids-int-system-collections-generic-list-orleans-transactions-70d8806d}

[Dedicated page](/orleans/docs/api/csharp/microsoft.orleans.transactions.testkit.base/orleans.transactions.testkit.icreateorjoinattributiongrain/methods/getnestedtransactionids-int-system-collections-generic-list-orleans-transactions-70d8806d/)

```csharp
[Orleans.Transaction(1)]
public abstract Task<List<string>[]> GetNestedTransactionIds(int tier, List<ITransactionAttributionGrain>[] tiers)
```

### Parameters

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