public void TestDeviceCodeFlow(TdConnectionStringBuilder builder)
{
    builder.AuthenticationMechanism = "CODE";
    builder.ConnectionTimeout = 60;
            
    using (TdConnection cn = new TdConnection(builder.ConnectionString))
    {
        // Create the DeviceAuthenticationMessage event handler
        cn.DeviceAuthenticationMessage += new DeviceAuthenticationMessageEventHandler(
            (sender, e) =>
            {
                // Provide the verification URI to the user. This requires user interaction.
                Console.WriteLine($"To proceed with Teradata authentication, use your web " +
                    $"browser to visit the following URL: {e.VerificationUriComplete}");
            });
            
        // Open the connection. The DeviceAuthenticationMessage event handler will be called.
        // The Open method will return after the user has authenticated or when the connection times
        // out per ConnectionTimeout.
        cn.Open();
            
        // do work
            
        cn.Close();
    }
}