the priority value assigned to the net(s) targeted by the scope (full query) of the rule. Enter a value between 0 and 100, whereby the higher the number assigned, the greater the priority when routing. (Default = 0).
How Duplicate Rule Contentions are Resolved
All rules are resolved by the priority setting. The system goes through the rules from highest to lowest priority and picks the first one whose scope expression(s) match the object(s) being checked.