A policy reference enables you to create a single policy, and reference it in multiple locations. If you have a policy that is used by more than one driver or policy, creating a reference simplifies management of this policy.
Open the for the driver you want to manage.
Click the icon representing the policy you want to add as a reference.
Select the policy, then click .
Click the button, and select .
Browse to and select the policy object to reference, then click .