Requirement:
* Notify users in the Quote Line Editor when approval is required to discourage excessive discounting.
Solution:
* Use a Product Rule with Alert Action to display a notification or message in the Quote Line Editor when a user exceeds predefined discount thresholds.
Why Other Options Are Incorrect:
* A: Validation Rules prevent actions but do not notify users.
* B: Filter Rules are used for restricting product selection, not notifications.
* D: Selection Rules govern product compatibility and are irrelevant here.
Salesforce CPQ Reference:
* Alert actions in Product Rules are outlined in CPQ Product Rule Configuration