Inquiry systematic method to trace an existing modules in systems

I would like to inquiry a best & structure way to study the logic, structures, dependence & all related objects of an existing running modules created in our outsystems environment for my further enhancement.  I haven't got any system documentation on it and please advice any tools or standard way to understand the relationship and the flow of the system.  Many thanks!

Hi Tommy, 

Check this component, it might be useful for you