Create a Filter
You can use filters as a part of the routing process to prioritize resources (or organizations) or activities (or activity groups) above others. First you must create the filter. Then you can add it to a routing plan and configure it for that plan.
The following preference settings are important:
Select the Routing check box to see the filter on the Add routing plan screen.
Select the Routing check box only for those filters that do not have the filter condition set to Dynamic.