# OrleansConnectionSecurityHostingExtensions.UseTls(IClientBuilder, Action<TlsOptions>)

[Type overview](/orleans/docs/api/csharp/microsoft.orleans.connections.security/orleans.hosting.orleansconnectionsecurityhostingextensions/) | [Methods](/orleans/docs/api/csharp/microsoft.orleans.connections.security/orleans.hosting.orleansconnectionsecurityhostingextensions/methods/)

[Source](https://github.com/dotnet/orleans/blob/e4e752cedecc2976811db49802c7a999b1f1c704/src/Orleans.Connections.Security/Hosting/HostingExtensions.IClientBuilder.cs)

```csharp
public static IClientBuilder UseTls(this IClientBuilder builder, Action<TlsOptions> configureOptions)
```

Configures TLS.

### Parameters

- `builder` (`IClientBuilder`): The builder to configure.
- `configureOptions` (`Action<TlsOptions>`): An Action to configure the [TlsOptions](/orleans/docs/api/csharp/microsoft.orleans.connections.security/orleans.connections.security.tlsoptions/).

### Returns

The builder.