An addition, to provide some background information on the above and the Revit API documentation in general:
The code above retrieves all hanger options for the current fabrication configuration and prompts the user to select one of them for automatic placement.
I put it together based on information I gleaned from the Revit SDK sample FabricationPartLayout. I believe it tells you all you need to know in this area and shows how to implement it.
In general, as stated by The Building Coder getting started documentation, the Revit SDK samples is the main official source of information on how the Revit API classes and methods work together in conjunction to achieve specific typical tasks:
https://thebuildingcoder.typepad.com/blog/about-the-author.html#2
I hope this helps.
Best regards,
Jeremy
