Display Spline in Editor

Development Programming & Scripting
1

I am trying to create a two way teleport system between areas. I need to create a spline that shows up in editor(or a line trace, anything) that will show me what teleport is linked to what. What is the best way to do this?

2

How about an arrow component. Something like this maybe:

https://forums.unrealengine.com/development-discussion/blueprint-visual-scripting/1473814-drawing-a-line-between-patrol-points