I created a vornoi generic family from a revit selected face, saved the file and then tried to create a vornoi with another face in the same project and the previous one simply disappeared. Anyone knows why?
This is due to the element binding in Dynamo and is by design by the developers.
See some previous posts here:
I have a user in my firm who is interested in creating sets of floor plans in revit. His desired use case is to re-run the graph several times, with different view names / templates specified. The problem is that the node creating the views deletes the views he created last time - when he just wants to add a new set of views. I recognize this is the expected behavior of all nodes interacting with revit - when you make a “change” all the old revit geometry gets replaced - but sometimes a “change”…
please post your script so we can help