I recently had a reader reach out and ask if is is possible to place Spot Slopes on every face of a Floor with Dynamo. Though there are no nodes (both ootb or custom) that I know of that will place a Spot Slope, you can still achieve a similar result by calculating slopes and putting those slopes into Generic Annotations.
This method can be used to place any number of symbols, annotations, or even detail components in a specific view.
Working with Slab Shape Floors in Revit can be a tedious process. There are two options for creating sloping Floors: use a Slope Arrow for a single slope across the entire Floor or convert the Floor to a Slab Shape and modify its points and edges. Unfortunately, there is no way to combine these two methods in the Revit UI.
Ideally, you would be able to start with a Floor, give it a single slope, and then convert it into a Slab Shape. But of course, this is possible with the Revit API and can even be done with Dynamo.