New to Jira Data Center plugin with Active Objects - Missing documentation

Hi community,
Im trying to develop a Jira Data Center plugin, which will use Active Objects. I followed the module documentation at , and there's a link at the bottom to some explanation document and example app that lead to nowhere. Also found some other documents like this which I could not use (couldnt find such mentioned interface anywhere, for example - yes, I know, I`m totally lost :frowning: )
Could someone please point me some documentation that I could use to get things started?

Hello @dberrutti ,
The main guides section contains the basics: