> For the complete documentation index, see [llms.txt](https://help.undoapp.io/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://help.undoapp.io/storage-information/information-stored-for-themes.md).

# Information stored for themes

Undo keeps track of the following information for your theme assets:

* Asset key (essentially folder and filename)
* Content type
* Content (or file in case of file-based assets)
* Visibility
* Asset size