# Factory<TInstance> Methods

[Type overview](/orleans/docs/api/csharp/microsoft.orleans.core/orleans.factory-1/)

## BeginInvoke(AsyncCallback, object) {#begininvoke-system-asynccallback-object-9d8029ec}

[Dedicated page](/orleans/docs/api/csharp/microsoft.orleans.core/orleans.factory-1/methods/begininvoke-system-asynccallback-object-9d8029ec/)

```csharp
public virtual IAsyncResult BeginInvoke(AsyncCallback callback, object @object)
```

### Parameters

- `callback` (`AsyncCallback`)
- `object` (`object`)

## EndInvoke(IAsyncResult) {#endinvoke-system-iasyncresult-ef5d5ae6}

[Dedicated page](/orleans/docs/api/csharp/microsoft.orleans.core/orleans.factory-1/methods/endinvoke-system-iasyncresult-ef5d5ae6/)

```csharp
public virtual TInstance EndInvoke(IAsyncResult result)
```

### Parameters

- `result` (`IAsyncResult`)