--- title: Dependent fields description: In the dictionary, you can specify a dependent field in the User or Location field, which displays the appropriate territory in the selector choice list when a user enters a phone number. locale: en-US canonical_url: https://www.servicenow.com/docs/r/australia/platform-administration/c\_SpecifyDependentFields.html release: australia topic_type: concept last_updated: "2026-03-12" reading_time_minutes: 1 breadcrumb: [Phone number field type, Reference, Field administration, Forms, fields, and lists, Configure core features, Administer the ServiceNow AI Platform] --- # Dependent fields In the dictionary, you can specify a dependent field in the **User** or **Location** field, which displays the appropriate territory in the selector choice list when a user enters a phone number. For example, if you enter `caller_id` in the dependent field in the Incident table, the appropriate territory is added to the territory selector choice list when a user enters caller information. **Related topics** [Make a field dependent](https://raw.githubusercontent.com/ServiceNow/ServiceNowDocs/australia/markdown/australia/platform-administration/t_MakingAFieldDependent.md)