Automate Video DownloadHelper

I saw on the Ui.Vision product page that it can be used to automate other extensions, specifically mentioning Video DownloadHelper.

Is there any documentation on how to do this?

My use case is downloading the video from multiple pages. I can’t use youtube-dl as the whole page is rendered using JavaScript.

You must use Desktop Mode and using screens to detect element to click

I automate a firefox addon but it’s an hard work because working with screen and image for every action and can not recordering in automatically.