How to add a view to the center of the .NET MAUI Doughnut Chart (SfCircularChart)?

<ContentPage
...
xmlns:chart="clr-namespace:Syncfusion.Maui.Charts;assembly=Syncfusion.Maui.Charts">
 
<chart:SfCircularChart>
.  .  . 
    <chart:SfCircularChart.Series>
 
        <chart:DoughnutSeries ItemsSource="{Binding Data}" InnerRadius="0.6" XBindingPath="Product" YBindingPath="Revenue" ShowDataLabels="True">
 
            <chart:DoughnutSeries.CenterView>
                <StackLayout>
                    <Label Text="Total:" HorizontalOptions="Center"/>
                    <Label Text="$35.07K" HorizontalOptions="Center"/>
                </StackLayout>
            </chart:DoughnutSeries.CenterView>
        .  .  .
        </chart:DoughnutSeries>
 
    </chart:SfCircularChart.Series>
 
</chart:SfCircularChart>

using Syncfusion.Maui.Charts;
 
SfCircularChart chart = new SfCircularChart();
. . .
DoughnutSeries series = new DoughnutSeries();
chart.Series.Add(series);
series.XBindingPath = "Product";
series.YBindingPath = "Revenue";
series.ItemsSource = new ChartViewModel().Data;
series.InnerRadius = 0.6;
series.ShowDataLabels = true;
 
Label labelOne = new Label();
labelOne.Text = "Total:";
labelOne.HorizontalOptions = LayoutOptions.Center;
Label labelTwo = new Label();
labelTwo.Text = "$35.07K";
labelTwo.HorizontalOptions = LayoutOptions.Center;
StackLayout layout = new StackLayout();
layout.Children.Add(labelOne);
layout.Children.Add(labelTwo);
 
series.CenterView = layout;
. . .
Content = chart;