> ## Knowledge Base Index
> Fetch the complete knowledge base index at: https://help.sayduck.com/sitemap.xml
> Use this file to discover available pages before exploring further.
> Pure-Markdown content can be obtained by appending a '.md' suffix to the content URLs listed in the sitemap (without the trailing slash).

# Custom AR Assets

AR Assets section in the Variant information can be used to add custom AR assets to your 3D Viewer. These assets can have unsupported features such as VTO and animations.

**AR Apple asset:** USDZ

**AR Android asset:** GLB

![](https://storage.crisp.chat/users/helpdesk/website/cae6f284ce714800/image_1n1lufl.png)