To show confirmation popup if user selects him self as "Reviewer" while creating Promotion Request
Version: Windchill 12.1
Use Case: When a user creates a Promotion Request in the system and selects themselves as the "Reviewer," the application should trigger a confirmation popup to ensure the action is intentional. This confirmation mechanism is necessary to prevent potential conflicts of interest or unintentional self-selection. The popup will serve as a checkpoint, prompting the user with a message such as, "You have selected yourself as the Reviewer. Are you sure you want to proceed?" This will provide the user an opportunity to reconsider their choice or confirm it before finalizing the request.
Description:
I am customizing the Promotion Request functionality in Windchill and need help implementing a confirmation popup. Specifically, the popup should appear when a user selects themselves as the "Reviewer" during the promotion request creation process.
I referred to this documentation, but it doesn't provide sufficient details for implementing this scenario.
Could someone guide me on how to achieve this? Any references to APIs, workflows, or UI customizations in Windchill that could help would be greatly appreciated.

