Auto-added body text that is added to an invitation when booking a ressource

I would like to have a text in a ressource or room configuration that is automatically added to the invitation when you book the ressource.

Use case:

• A customer has an internal meeting server used for online meetings and you want to automatically add your meeting room URL

• A ressouce requires a login and you want to automatically add the login page URL

• A ressource requires an explanation that can be automatically added when booking the ressource

With a custom Auto-Body field in the room- or ressource definition (either in NAB or ressource db) this text could be added automatically to your invitation whenever you book that room or ressource.