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




``` Hack
public function __construct(
  string $file_name,
);
```




## Parameters




+ ` string $file_name `