Creating a CustomRenderableSereisViewModel - Setting Properties

To whom this may concern:

I’d like to refer to the “Spline Scatter Line Chart” example in the SciChart Examples package. If I were to make this a CustomRenderableSeriesViewModel that I can set in a ViewModel class, how would I go about doing that?

I am using SciChart v4, and here’s what I know so far:

1. CustomRenderableSeriesViewModel : BaseRenderableSeriesViewModel
2. ViewType = typeof(CustomRenderableSeries)

My code so far is:

public class CustomRenderableSeriesViewModel : BaseRenderableSeriesViewModel
{
    public override Type ViewType => typeof(CustomRenderableSeries);
}

How would I go about setting the IsSplineEnabled property of the CustomRenderableSeries through the CustomRenderableSeriesViewModel class?

FYI: I have looked here and the Worked Example – CustomRenderableSeries in MVVM link goes to the SciChart v5 User manual.
Additionally, this is a duplicate of this issue on Stack Overflow (since I thought you were still fielding questions on there). Feel free to answer on either or both.

Can you please advise?