---
title: "fileSettings.key Property  HTML5/Flash Uploader JavaScript"
canonical: https://www.aurigma.com/docs/us8/FH_P_J_$au_amazonS3Extender_fileSettings_key.htm
product: "Upload Suite 8"
---

# fileSettings.key Property HTML5/Flash Uploader JavaScript

Supported technologies:
 
Gets or sets an Amazon S3 file key.

## Syntax
 
```
as3.converters( [
        {
            //...other params...
            key: "${filename}",
            //...other params...
        }
    ]
})
```
 
### Property Value
 
Type: **String**
 
The Amazon S3 file key. You can use a placeholder `${filename}` to preserve an original file name and `${path}` to pass a folder structure. Any prefix or a folder path can be prepended.
 
Default value is **"${filename}"**.

## See Also
 
### Reference
 
- [Aurigma.ImageUploaderFlash.AmazonS3.FileSettings.Key ASP.NET Property HTML5/Flash Uploader](https://www.aurigma.com/docs/us8/FH_P_Aurigma_ImageUploaderFlash_AmazonS3_FileSettings_Key.htm.md)
- [FileSettings.Key PHP Property HTML5/Flash Uploader](https://www.aurigma.com/docs/us8/FH_P_P_FileSettings_Key.htm.md)