In this video, you will learn how to use the Custom Path tool in Twinmotion. The path is first built using a familiar pen tool to draw points that create a path. With a path drawn, now it’s time to customize! With the Custom Path tool, you can apply ANY object in your entire user library to the path and adjust the settings of the path to your liking!
https://dev.epicgames.com/community/learning/tutorials/MWWp/how-to-use-custom-paths-twinmotion-2020