Missing example: Upload folder with subfolders and files as "fixture" file

[Donaab]

I couldn't find it anywhere in the community example how to upload or use a folder with containing files as a fixture file. For example, my application has a functionality where the user can take a whole folder that contains subfolders and files and upload it in the application, and functionality will create the same folder structure in the application.

Is it possible to use a folder as fixture file and if it is how?