Revit Datasmith Project Parameters and metadata

I want to be able to tag items in revit, via “project Parameters” eg a custom ID value, and then be able to acces those in Unreal after importing with datasmith.
I’ve added an instance parameter to a floor object under the “data” group and enabled “data” group export in the datasmith export settings. After importing in to Unreal, I checked the instance and staticMeshComponent under Tags and Asset User Data and I can’t see anything other than the defaults ; datasmith_uniqueID, Element-category, Element-family, Element-type. In Tags, I have Revit.element.id, Revit.ElementUniqueId and IsElement.
Does datasmith not support additional metadata from Revit?