What are two uses of the Save service implementation under the Behavior tab in the...

Provide a service that can be called by an Undercover Agent when an event accesses the shared business object.

Handle any data validation errors for the shared business object only within the "Save service".

Validate or manipulate the data that is saved to the shared business object.

Apply an alternative merge result in case the shared business object is saved in more than one place.

Save a specific version of the shared business object, even when the shared business object is updated at the same time.