This is a how to validate a Notification for the candidate .
SAP Successfactors Onboarding 1.0
you may want to confirm if the notification has been triggered and also email has been sent to the candidate , Go through the KBA 2082912 - How to use the Mail Queue - Onboarding 1.0 .
you need to confirm , If the notification is triggered successfully and also candidate activity has been completed for the particular step . So the Notification will not re-trigger automatically with the updated data .
Notification, Onboarding , Email, mail queue , , KBA , LOD-SF-OBD-EML , Emails and Notifications , Problem