Can the Requisition Approval Notification (not the email) be customized?

Summary: Business wants to add fields in the Requisition Approval Notification that appears in the application. Few other fields present on the Requisition page need to be captured on the standard notification.

Content (required): Business wants to add fields in the Requisition Approval Notification that appears in the application.

This is not for the email notification that goes to the approver but the in-app notification. No edit option was available to edit the notification using Page Composer.

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

23C

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

None