Unoriented Edge

Hello, I am new to OrientDB. I followed some of the documentation and I am trying to create an edge which is not going to show an orientation when using the graph editor. I search online and so far the best tutorial was:

https://orientdb.org/docs/2.1.x/Tutorial-Working-with-graphs.html

However, I am using version 3.1.15. Is anything different from there? Is there any better approach?