--- title: AI Search External Search User Mapping Table Data Source Relationship form description: The AI Search External Search User Mapping Table Data Source Relationship form enables you to link a user mapping table to an indexed source for external content in AI Search. locale: en-US canonical_url: https://www.servicenow.com/docs/r/australia/platform-administration/ai-search/ext-usr-map-idx-src-form-ais.html release: australia product: AI Search classification: ai-search topic_type: reference last_updated: "2026-09-10" reading_time_minutes: 1 breadcrumb: [Reference, AI Search, Search administration, Configure core features, Administer the ServiceNow AI Platform] --- # AI Search External Search User Mapping Table Data Source Relationship form The AI Search External Search User Mapping Table Data Source Relationship form enables you to link a user mapping table to an indexed source for external content in AI Search. For details on linking a user mapping table to an indexed source for external content, see [Mapping external users and groups to ServiceNow AI Platform users](https://raw.githubusercontent.com/ServiceNow/ServiceNowDocs/australia/markdown/australia/platform-administration/ai-search/user-mappings-ais.md). |Field|Description| |-----|-----------| |User Mapping Child Table|The name of the user mapping table that you want to link to the external content indexed source.| |Index Source|The name of the external content indexed source that you want to link the user mapping table to.| **Parent Topic:**[AI Search reference](https://raw.githubusercontent.com/ServiceNow/ServiceNowDocs/australia/markdown/australia/platform-administration/ai-search/reference-ais.md)