How can we add multiple axis to OlapChart in OlapClient

public MainPage()
        {
            InitializeComponent();
            this.DataContext = new ViewModel.ViewModel();
            this.olapClient.Loaded += olapClient_Loaded;
        }
 
        void olapClient_Loaded(object sender, System.Windows.RoutedEventArgs e)
        {
            this.olapClient.OlapChart.OnDataRefreshCompleted += new Syncfusion.Silverlight.Chart.Olap.OlapChart.DataRefreshCompleted(OlapChart_OnDataRefreshCompleted);
        }
 
        private void OlapChart_OnDataRefreshCompleted(object sender, Syncfusion.Silverlight.Chart.Olap.DataRefreshCompletedEventArgs e)
        {
            for (int i = 0; i < this.olapClient.OlapChart.OlapArea.Series.Count; i++)
            {
                this.olapClient.OlapChart.OlapArea.Series[i].YAxis = new Syncfusion.Windows.Chart.ChartAxis { Header = "Test", ShowGridLines = false, OpposedPosition = true, Orientation = Orientation.Vertical };
            }
        }