Solidworks 2020 api CSHARP Silhouette entities

Hello! 

Solidworks 2020 has a new function called: "Silhouette entities". 

Here you can see the function details: 

https://mtekconsulting-my.sharepoint.com/:i:/g/personal/jaime_catano_mtek_se/EYPh-54gCcdKmJ2knWHdt2cB9wVSkZAARzWk4eh0_t-… 

I need to use that function in a program that uses the API with CSharp, but i can not find it. 

Can you help me to find the api-csharp function?

SolidworksApi/macros