---
layout: docs
title: classname
id: class.Facebook.HackCodegen.HackBuilderValues.classname
docid: class.Facebook.HackCodegen.HackBuilderValues.classname
permalink: /docs/reference/class.Facebook.HackCodegen.HackBuilderValues.classname/
---
# Facebook\\HackCodegen\\HackBuilderValues::classname()




Assume the value is a classname, and render a ` ::class ` constant




``` Hack
public static function classname(): IHackBuilderValueRenderer<string>;
```




## Returns




- ` IHackBuilderValueRenderer<string> `