Smtj like "addOn: true" or "addTo: [loadable]" so if u want to update an existing base-game module or bonus you won't have to override the entire thing. Basically it just adds a new value if it is true. Yes?
https://giphy.com/gifs/who-is-this-random-kid-rgull1t-98L2nqrZ6XgUsjpFYr