community 
Blueprint variables inherited from blueprint objects
Ideally, Blueprint Inputs could inherit from Object within the Blueprint automatically. Say you have a service that wants the User's Login info (vs a global or service account for auditing purposes), the Shell design would have a section that designates items to be added to the Blueprint's inputs.
This would simply blueprint design, in that anytime objects that are looking for/dependent upon blueprint inputs are automatically added. In addition during a sandbox, should an item with these requirements be added, a dialog box would appear asking the user to input them at that time (and updating the sandbox's inputs/values)
The other advantage of this should the needed parameters or defaults change, then only the shell needs to be updated, vs, potentially 100's of blueprints.
