Set shared parameter Boolean TYPE value in Python (Shared param file unavailable)

DesignScript
1

Trying to set a Boolean Type Shared Parameter named “ASSET” but cannot seem to get a grip on how… The “ASSET” portion of the ELIF below and the commented code don’t work throws an error in any case:

# Default imports
import clr
clr.AddReference("RevitAPI")
clr.AddReference("RevitNodes")
from Autodesk.Revit.DB import *					#################################

import Revit									#################################
clr.ImportExtensions(Revit.GeometryConversion)	#################################
clr.ImportExtensions(Revit.Elements)			#################################

# Import DocumentManager and TransactionManager##################################
clr.AddReference('RevitServices')				#################################
import RevitServices							#################################
from RevitServices.Persistence import DocumentManager	#########################
from RevitServices.Transactions import TransactionManager	#####################

doc = DocumentManager.Instance.CurrentDBDocument	#############################

elements = IN[0]	##Elements in the model ##EXPECTS STRINGS FROM EXCEL TO START
headers = IN[1]		##Headers for reference
data = IN[2]			##Data

###Initialize
out=[]
outMain=[]
outSub=[]
found=0

##Find "MARK" Position from headers
for markPos, mark in enumerate(headers):
	if mark=='Mark':			##Found mark in headers proceed
		found=1
		break				##BREAK loop with current header index
		
if found==1:				##Consider adding additional parameters to key-in on other than mark
	for element in elements:
		emark=element.GetParameterValueByName('Mark')
		for dat in data:
			if dat[markPos]==emark:	
				outMain=[]
				for hI, param in enumerate(headers):		##hI count based on header to corresponding data For parameters that are headers in the file	
					outSub=[]
					try:
						if param == 'ASSET_CONDITION':		###NEED TO LOOK AT TARGET PARAMETERS IN REVIT AND RESET THE TYPE ACCORDING TO THE TARGET PARAMETER DATA TYPE, INT, TXT, etc.
							element.SetParameterByName(param,int(dat[hI]))	###Attempt set data header/param name, dat[i] corresponding data at index
							outSub.insert(0,"Success!(INT)")	###If it succeedes report it
						elif param == 'ASSET':		###NEED TO LOOK AT TARGET PARAMETERS IN REVIT AND RESET THE TYPE ACCORDING TO THE TARGET PARAMETER DATA TYPE, INT, TXT, etc.
							outSub.append    ("trying:" + param)
							ele=UnwrapElement(element)
							elementType = doc.GetElement(ele.GetTypeId())	######################
							parameter = elementType.get_Parameter(param)
							parameter.Set(str(dat[hI]))	
							
							#ASSET = [a for a in doc.FamilyManager.Parameters if a.Definition.Name=='ASSET'][0]
							#if dat[hI]=='1':
							#	doc.FamilyManager.Set(ASSET, 1==1)
							#else:
							#	doc.FamilyManager.Set(ASSET, 1==0)
							##element.SetParameterByName(param,int(dat[hI]))	###Attempt set data header/param name, dat[i] corresponding data at index
							outSub.append("Success!(T/F)")	###If it succeedes report it
						elif param == "Assembly Code":				##SPECIAL ODD-BALL CASE for SYSTEM TYPE PARAM (Assembly Code)####
							ele=UnwrapElement(element)	##########
							#Get the type	###################### (UNIFORMAT TYPE param)
							elementType = doc.GetElement(ele.GetTypeId())	######################
							# Get the parameter###################
							parameter = elementType.get_Parameter(BuiltInParameter.UNIFORMAT_CODE)
							#Set the parameter in a Transaction###
							TransactionManager.Instance.EnsureInTransaction(doc)
							parameter.Set(str(dat[hI]))			##FROM THE current DAT line of DATA return the data from the hI Index position in the list
							#Set the parameter end  Transaction###
							TransactionManager.Instance.TransactionTaskDone()
							outSub.append("Success!(UNI)")
						else:
							element.SetParameterByName(param,dat[hI])	###Attempt set data header/param name, dat[i] corresponding data at index
							outSub.append("Success!(TXT)")	###If it succeedes report it
						
						outSub.append(param)						###ADD PARAMS TO Output list
						outSub.append(dat[hI])				###ADD TABS + Data to output list
					except:
						outSub.append  ("  ERROR!:" + param)
						
					outMain.append(outSub)					##Append Parameters success/fail
				out.append(outMain)
out.insert(0,[["****Tab must be 'Sheet1'***************\n****'Mark' in row 1 must be defined****"]])
OUT=out