--- title: Create parent determination rules for service locations description: Create parent determination rules that facilitate assignment of a parent to a service location. locale: en-US canonical_url: https://www.servicenow.com/docs/r/australia/field-service-management/workforce-optimization-for-field-service/configure-parent-determination.html release: australia product: Workforce Optimization for Field Service classification: workforce-optimization-for-field-service topic_type: task last_updated: "2026-03-12" reading_time_minutes: 1 breadcrumb: [Map locations, Service Locations, Set up workforce, Configure, Field Service Management] --- # Create parent determination rules for service locations Create parent determination rules that facilitate assignment of a parent to a service location. ## Before you begin The Field Service with Service Locations support plugin must be active to enable setting the parent determination rules. Role required: wm\_admin ## Procedure 1. Navigate to **All** > **Field Service** > **Administration** > **Service Location Parent Configuration**. 2. On the Parent Determination Configuration page, click **New**. 3. Choose the determining factor for the rule to use and provide the value. |Criterion|Rule action| |---------|-----------| |**Zip/Postal code**|Assigns the provided zip or postal code to a parent location.| |**Min Zip/Postal codeMax Zip/Postal Code. **|Provides the minimum and maximum zip or postal code values used to assign a range to a parent location.| |**CityState. **|Assigns the city and state to a parent location.| |**State**|Assigns the state to a parent location.| The **Country** and **Parent** fields are required. **Note:** Once you select the determining criterion, the other fields are grayed out and cannot be selected. 4. Enter the **Country** name in the text field. 5. In the **Parent** field, click the Lookup using list icon \( \[Omitted image "magnifying-glass.png"\] Alt text: Lookup icon.\) and select the parent location from the region list. 6. Click **Submit**. **Note:** If you add a rule that already exists in the wm\_location\_parent\_lookup\_rule table, an error message displays. ## Result The parent location is configured and can be associated with a service location.