REVIT ---RFA original parameter

HOW I can change original parameter
Instance Parameter ,Type Parameter


This is different RFA

Something here i think.

Source: Looking for node to modify Parameter in *.rfa file - Revit - Dynamo (dynamobim.com)

#REF https://forum.dynamobim.com/t/looking-for-node-to-modify-parameter-in-rfa-file/19487?u=pyxam

import clr

clr.AddReference("RevitServices")
from RevitServices.Persistence import DocumentManager
from RevitServices.Transactions import TransactionManager
doc = DocumentManager.Instance.CurrentDBDocument

clr.AddReference("RevitAPI")
from Autodesk.Revit.DB import *

# class for overwriting loaded families in the project
class FamOpt1(IFamilyLoadOptions):
    def __init__(self): pass
    def OnFamilyFound(self,familyInUse, overwriteParameterValues): return True
    def OnSharedFamilyFound(self,familyInUse, source, overwriteParameterValues): return True

def changeParam(f1,name,make,result):
	famdoc = doc.EditFamily(f1)
	try: # this might fail if the parameter exists or for some other reason
	    trans1.EnsureInTransaction(famdoc)
	    par_name = [a for a in famdoc.FamilyManager.Parameters if a.Definition.Name==name][0]
	    if make == True:
	    	famdoc.FamilyManager.MakeType(par_name)
	    else:
	    	famdoc.FamilyManager.MakeInstance(par_name)
	    trans1.ForceCloseTransaction()
	    famdoc.LoadFamily(doc, FamOpt1())
	    result.append(True)
	except Exception, e:
	    result.append([False,e])
	    trans1.ForceCloseTransaction()  
	famdoc.Close(False)

def unwrapping(ele):
	try:
		f1 = UnwrapElement(ele.Type.Family)
	except:
		f1 = UnwrapElement(ele)
	return f1

trans1 = TransactionManager.Instance
trans1.ForceCloseTransaction() #just to make sure everything is closed down
# Dynamo's transaction handling is pretty poor for
# multiple documents, so we'll need to force close
# every single transaction we open
result = []
if hasattr(IN[0], "__iter__") == True and hasattr(IN[1], "__iter__") == True:
	for i in range(len(IN[0])):
		f1 = unwrapping(IN[0][i])
		changeParam(f1,IN[1][i],IN[2],result)
elif hasattr(IN[0], "__iter__") == True and hasattr(IN[1], "__iter__") == False:
	for i in IN[0]:
		f1 = unwrapping(i)
		changeParam(f1,IN[1],IN[2],result)
elif hasattr(IN[0], "__iter__") == False and hasattr(IN[1], "__iter__") == False:
	f1 = unwrapping(IN[0])
	changeParam(f1,IN[1],IN[2],result)

OUT = result


Don’t understand input 0 and out