How to upload files using relative path at Selenium IDE?

I'm trying to upload a file at Selenium IDE using relative path but it didn't work. I really tried some approachs like this answer

This way works:

But what I want to do is something like this:

I need it because I need to send these test files to run in another computer without have to edit the .side. Anyone knows commands, scripts, or any other method that I could try at Selenium IDE?