Hi, I need to set a value to ‘Formula’ field for some parameters in a family. I just tried using the script for setting ‘Value’, by replacing p.Definition.Name by p.Formula. But no luck. I am totally new to Python, though. [image] Can anyone please let me now how to do this. Thanks Vasu

Hi @Mostafa_El_Ayoubi , Thanks for responding. I tried the below script and it worked. [image] Thanks Vasu

How to set 'Formula' for parameters in family

Mostafa_El_Ayoubi March 23, 2017, 9:41am 3

Hi @Vasu ,
I’m affraid Formulas can’t be set through API :

2 Likes

Extract Parameters' formulas

Topic		Replies	Views
Set a parameter value inside a family document, for all types! Developers revit , python , dynamo	7	2361	October 9, 2023
Filling in Parameter Values in Family Editor	4	669	August 5, 2019
Change Formula value for Parameter within Family Environment? Packages	0	287	February 25, 2015
Create a parameter and set the formula - All in one script Dynamo Player revit , dynamo	4	165	February 5, 2024
Set value to parameter of type "Family Type: ..." Packages orchid	3	473	March 21, 2022