It looks like you may be able to do this (mostly) with a few nodes:
It appears that @erfajo does have a node for renaming parameters here:
You should be able to use this python to “get” all of the parameter names in the family document for the Orchid node:
import clr
clr.AddReference('RevitAPI')
from Autodesk.Revit.DB import *
clr.AddReference("RevitServices")
import RevitServices
from RevitServices.Persistence import DocumentManager
doc = UnwrapElement(IN[0])
elementlist = list()
if doc.IsFamilyDocument:
for param in doc.FamilyManager.Parameters:
elementlist.append(param.Definition.Name)
OUT = elementlist
Keep in mind that if there are shared parameters it will probably not work and/or be MUCH more complicated.