Develop of file upload answer format

[soaresg]

I'm developing a new answer format that you can upload a file and a description on a question step. I would like to know if there is some example or some ongoing code you can provide me so I can base on it.

Appreciate.

[Numoy]

There is an example on how to create a custom step in the example folder!

[SadeeMsr]

there is no example in the example folder xD