# Copier_StreamSubscriptionHandle<T>.DeepCopy(StreamSubscriptionHandle<T>, StreamSubscriptionHandle<T>, CopyContext)

[Type overview](/orleans/docs/api/csharp/microsoft.orleans.streaming/orleanscodegen.orleans.streams.copier-streamsubscriptionhandle-1/) | [Methods](/orleans/docs/api/csharp/microsoft.orleans.streaming/orleanscodegen.orleans.streams.copier-streamsubscriptionhandle-1/methods/)

```csharp
public void DeepCopy(StreamSubscriptionHandle<T> input, StreamSubscriptionHandle<T> output, CopyContext context)
```

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

### Parameters

- `input` (`StreamSubscriptionHandle<T>`): The input.
- `output` (`StreamSubscriptionHandle<T>`): The output.
- `context` (`CopyContext`): The context.