There are several ways to know when the references have been submitted. When you browse to the candidates profile and select the References tab, you can see the status, which will allow you to see the status.

You can also enable the notifications per-consultant, that allows you to be able to receive an email when the reference has been completed.
Additional Support
For any additional support or queries, please raise a ticket with our Customer Success Team on support@centricflow.co.uk or using the help button on the CRM.