How to customize the indicator of the Row header based on record data value in WPF DataGrid (SfDataGrid)?

<Window.Resources>
    <local:RowIndicatorConverter x:Key="converter"/>
    <Style TargetType="syncfusion:GridRowHeaderCell">
        <Setter Property="Template">
            <Setter.Value>
                <ControlTemplate TargetType="syncfusion:GridRowHeaderCell">
                    <Border x:Name="PART_RowHeaderCellBorder"
                        Background="{TemplateBinding Background}"
                        BorderBrush="{TemplateBinding BorderBrush}"
                        BorderThickness="{TemplateBinding BorderThickness}">
                        <Grid>
                            <Path 
                                Margin="2"
                                Width="10"
                                Height="10"
                                Data="{Binding DataChanged, Converter={StaticResource converter}}"
                                Fill="{TemplateBinding Foreground}"
                                Stretch="Uniform"/>
                        </Grid>
                    </Border>
                </ControlTemplate>
            </Setter.Value>
        </Setter>
    </Style>
</Window.Resources>

public class RowIndicatorConverter : IValueConverter
{
    public object Convert(object value, Type targetType, object parameter, CultureInfo culture)
    {
        if (value != null && (bool)value)
        {
            string str = "M6.8007798,1.7332839 L8.97791,3.9143763 2.8868401,10.034073 0,10.666874 0.70837402,7.8491302 z M9.1967516,0.00016105175 C9.5903473,-0.0053596497 9.9693098,0.13107061 10.251301,0.41431141 10.856801,1.0224026 10.794301,2.067961 10.110801,2.7515601 L7.9219999,0.5588423 C8.2858057,0.19500291 8.7506762,0.0064178705 9.1967516,0.00016105175z";
            return Geometry.Parse(str);
        }
        return Geometry.Empty;
    }
 
    public object ConvertBack(object value, Type targetType, object parameter, CultureInfo culture)
    {
        throw new NotImplementedException();
    }
}