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




``` Hack
public function returnCasef(
  HH\Lib\Str\SprintfFormatString $value,
  mixed ...$args,
): this;
```




## Parameters




+ ` HH\Lib\Str\SprintfFormatString $value `
+ ` mixed ...$args `




## Returns




* ` this `