# Copier_JoinAttributionGrain.DeepCopy(JoinAttributionGrain, JoinAttributionGrain, CopyContext)

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

```csharp
public void DeepCopy(JoinAttributionGrain input, JoinAttributionGrain output, CopyContext context)
```

Clones members from `input` and copies them to `output`.

### Parameters

- `input` (`JoinAttributionGrain`): The input.
- `output` (`JoinAttributionGrain`): The output.
- `context` (`CopyContext`): The context.