---
title: "FileSettings..::.Key Property HTML5/Flash Uploader ASP.NET"
canonical: https://www.aurigma.com/docs/us8/FH_P_Aurigma_ImageUploaderFlash_AmazonS3_FileSettings_Key.htm
product: "Upload Suite 8"
---

# FileSettings.Key Property HTML5/Flash Uploader ASP.NET

Supported technologies: ![HTML 5](https://www.aurigma.com/docs/us8/icons/html5.png)
 
Gets or sets an Amazon S3 file key.
 
**Namespace:** [Aurigma.ImageUploaderFlash.AmazonS3](https://www.aurigma.com/docs/us8/FH_N_Aurigma_ImageUploaderFlash_AmazonS3.htm.md)
 **Assembly:** Aurigma.ImageUploaderFlash (in Aurigma.ImageUploaderFlash.dll)
 
## Syntax
  
```csharp
public string Key { get; set; }
```
 
### Property Value
 
Type: [System..String](http://msdn2.microsoft.com/en-us/library/s1wwdcbf)
 
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

- [FileSettings Class](https://www.aurigma.com/docs/us8/FH_T_Aurigma_ImageUploaderFlash_AmazonS3_FileSettings.htm.md)
- [Aurigma.ImageUploaderFlash.AmazonS3 Namespace](https://www.aurigma.com/docs/us8/FH_N_Aurigma_ImageUploaderFlash_AmazonS3.htm.md)
- [$au.amazonS3Extender.fileSettings.key JavaScript Property HTML5/Flash Uploader](https://www.aurigma.com/docs/us8/FH_P_J_$au_amazonS3Extender_fileSettings_key.htm.md)
- [FileSettings.Key PHP Property HTML5/Flash Uploader](https://www.aurigma.com/docs/us8/FH_P_P_FileSettings_Key.htm.md)
