I am not seeing how I can apply any components to the drawing element

When I try to apply it this way:

 myDrawingElement.instance.gameobject.AddComponent<BoxCollider>()

the instance is always null--note I am trying to assign the collider right after it is added to the map....so it should be there right?

Is there another way I should be approaching this?

Currently I'm getting around it by going into the source code and adding the collider when the mesh filter and renderer are added, and then once the mesh is updated with the vertices, I update the collider's size and center.

It would be nice to do this without having to dive into your code.

I'm sure I'm missing something

If you are using a Tileset, each drawing element is a separate GameObject that you can add a Collider to and interact with.
Or each drawing element has events that you can use.
https://infinity-code.com/doxygen/onlin … 7c3bd5d9b1

Yes, you can use something else instead of the Drawing API, including markers or manual positioning of GameObjects.
But in this case, you will need to implement the drawing yourself.

Is there a way I can convert it, maybe to a marker, or some kind of game object that can be selected after creation?