# ServerCertificateSelectionCallback Methods

[Type overview](/orleans/docs/api/csharp/microsoft.orleans.connections.security/orleans.connections.security.servercertificateselectioncallback/)

## BeginInvoke(object, string, AsyncCallback, object) {#begininvoke-object-string-system-asynccallback-object-174d19f0}

[Dedicated page](/orleans/docs/api/csharp/microsoft.orleans.connections.security/orleans.connections.security.servercertificateselectioncallback/methods/begininvoke-object-string-system-asynccallback-object-174d19f0/)

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

### Parameters

- `sender` (`object`)
- `hostName` (`string`)
- `callback` (`AsyncCallback`)
- `object` (`object`)

## EndInvoke(IAsyncResult) {#endinvoke-system-iasyncresult-92f8838c}

[Dedicated page](/orleans/docs/api/csharp/microsoft.orleans.connections.security/orleans.connections.security.servercertificateselectioncallback/methods/endinvoke-system-iasyncresult-92f8838c/)

```csharp
public virtual X509Certificate EndInvoke(IAsyncResult result)
```

### Parameters

- `result` (`IAsyncResult`)