Notification to Line Managers when rating not input to direct reports prior to submission of Perf

Summary:

Before calibration, the business wants Line Managers to input and save the performance ratings of all their direct reports in the application but performance ratings shouldn't be SUBMITTED.

Business wants to send notification reminders to all line managers who haven't yet input the ratings of their direct reports before the completion date.

Any idea/help?

Content (please ensure you mask any confidential information):

Business wants to send notification reminders to all line managers who haven't yet input the ratings of their direct reports.

Version (include the version you are using, if applicable):

23D

Code Snippet (add any code snippets that support your topic, if applicable):