--- title: Reference description: A reference variable references a record in another table. For example, a variable named point\_of\_contact references the User \[sys\_user\] table. locale: en-US canonical_url: https://www.servicenow.com/docs/r/australia/servicenow-platform/service-catalog/reference.html release: australia product: Service Catalog classification: service-catalog topic_type: concept last_updated: "2026-03-12" reading_time_minutes: 3 breadcrumb: [Types of service catalog variables, Service catalog variables, Service Catalog Reference, Service Catalog, Manage service capabilities, Extend ServiceNow AI Platform capabilities] --- # Reference A reference variable references a record in another table. For example, a variable named point\_of\_contact references the User \[sys\_user\] table. For attributes supported by this variable, see [variable attributes](https://raw.githubusercontent.com/ServiceNow/ServiceNowDocs/australia/markdown/australia/servicenow-platform/service-catalog/variable-attributes.md). Keep the following information in mind when you create a reference variable: - Reference variables use the [auto-complete feature](https://raw.githubusercontent.com/ServiceNow/ServiceNowDocs/australia/markdown/platform-administration/c_AutoCompleteForReferenceFields.md) . To ensure that users have enough information to make the selection, configure the [reference lookup list](https://raw.githubusercontent.com/ServiceNow/ServiceNowDocs/australia/markdown/platform-administration/c_ReferenceLookup.md) . - Reference variables store the sys\_id of the selected record \(like reference fields\). To use the display value in a script, use the same methods as for a reference field. ``` current.variables..getDisplayValue() ``` \[Omitted image "VariableReferenceG.png"\] Alt text: A reference variable **Parent Topic:**[Types of service catalog variables](https://raw.githubusercontent.com/ServiceNow/ServiceNowDocs/australia/markdown/australia/servicenow-platform/service-catalog/r_VariableTypes.md) **Related topics** [Attachment]() [Break]() [Check box]() [Container start, container split, and container end]() [Date, Date and time, and Duration]() [Email](https://raw.githubusercontent.com/ServiceNow/ServiceNowDocs/australia/markdown/australia/servicenow-platform/service-catalog/email.md) [HTML]() [IP Address]() [Label]() [List collector]() [Lookup multiple choice]() [Lookup select box]() [Custom and Custom with label]() [Masked]() [Multi-line text]() [Multiple choice]() [Numeric scale]() [Requested for]() [Rich Text Label]() [Select box]() [Single-line text]() [UI page]() [URL]() [Wide single-line text]() [Yes/No]() [Variable support in various channels]()