> For the complete documentation index, see [llms.txt](https://datashapes.gitbook.io/primer/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://datashapes.gitbook.io/primer/revit/set-active-family-parameter-by-name.md).

# Set Active Family Parameter By Name

## 1. Description

This node allows you to set a parameter inside an active family document.

## 2. Inputs

* **Parameter name : string**

This input takes the parameter name (string) you'd like to set.

* **Parameter Value**

This input takes the new value to give to the parameter.

## 3. Output

* OUT

The output indicates the result of the operation (successful or not). 

![](https://238629208-files.gitbook.io/~/files/v0/b/gitbook-legacy-files/o/assets%2F-LO8n4ithPJG3iCqU7ir%2F-LZJvCLZ0he0wrCaU8fG%2F-LZJvf4F10KrVJbutWw2%2FCapture.png?alt=media\&token=7b71d727-92ba-434f-83d9-805ad7263fac)