# Factory<TParam1, TInstance> Methods

[Type overview](/orleans/docs/api/csharp/microsoft.orleans.core/orleans.factory-2/)

## BeginInvoke(TParam1, AsyncCallback, object) {#begininvoke-tparam1-system-asynccallback-object-cc3da73a}

[Dedicated page](/orleans/docs/api/csharp/microsoft.orleans.core/orleans.factory-2/methods/begininvoke-tparam1-system-asynccallback-object-cc3da73a/)

```csharp
public virtual IAsyncResult Factory<TParam1, BeginInvoke(TParam1 param1, AsyncCallback callback, object @object)
```

### Parameters

- `param1` (`TParam1`)
- `callback` (`AsyncCallback`)
- `object` (`object`)

## EndInvoke(IAsyncResult) {#endinvoke-system-iasyncresult-766c1cae}

[Dedicated page](/orleans/docs/api/csharp/microsoft.orleans.core/orleans.factory-2/methods/endinvoke-system-iasyncresult-766c1cae/)

```csharp
public virtual TInstance Factory<TParam1, EndInvoke(IAsyncResult result)
```

### Parameters

- `result` (`IAsyncResult`)