This forge component may help you to understand how a Live Style Guide can be put in place, and is the outcome of the second episode of the Demo Series: See OutSystems in Action.

Live Style Guide - define the standards and rules for interfaces and includes all the visual styles and components you’ll need to build your application. It’s a central repository for designers and developers. 

Learn more Live Style Guides in OutSystems -- is an important piece that you certainly may benefit from:

https://www.outsystems.com/blog/posts/design-systems-digital-customer-experience/