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Release: Australia · Updated: 2026-03-12 · Official documentation · View source

AI Search index fields

List of fields available on records in the AI Search index. AI Search populates these fields with values from source record fields during indexing.

FieldDescription
ai\_search\_parent\_titleTitle of the indexed record's parent record, if it has one. This field is automatically generated by AI Search from the parent record's title field value.
ai\_search\_teaser\_textSearchable text of the indexed record, displayed in search results. This field is automatically generated by AI Search from the indexed record's text field value.
ai\_search\_teaser\_titleTitle of the indexed record, displayed in search results. This field is automatically generated by AI Search from the indexed record's title field value.
datasource\_idName of the indexed source that added the record to the AI Search index.
ext\_record\_idUnique identifier for the external content source record that corresponds to the indexed record. Only populated for records from external content sources.
ext\_groups\_denyNames of security principal groups that can't read the record. Only populated for records from external content sources.Note: Deny entries take precedence over read entries. If a group appears in this field and in ext_groups_read, members of that group can't read the record.
ext\_groups\_readNames of security principal groups that can read the record. Only populated for records from external content sources.Note: Deny entries take precedence over read entries. If a group appears in this field and in ext_groups_deny, members of that group can't read the record.
ext\_users\_denyNames of security principal users that can't read the record. Only populated for records from external content sources.Note: Deny entries take precedence over read entries. If a user appears in this field and in ext_users_read, that user can't read the record.
ext\_users\_readNames of security principal users that can read the record. Only populated for records from external content sources.Note: Deny entries take precedence over read entries. If a user appears in this field and in ext_users_deny, that user can't read the record.
index\_event\_idSys\_id of the indexing event that added the record to the AI Search index.
languageLanguage of the indexed record. AI Search uses the language specified for the record in the source table. If no language is specified in the source table, AI Search automatically detects the record's language.
record\_class\_nameThe hierarchical class used to render the source record.
sys\_idSys\_id of the source record.
tableName of the indexed record's source table. For records from external content sources, this index field indicates the name of the content schema table specified during document ingestion.
textSearchable text for the indexed record. This index field may be populated directly from a source record field, such as Description, or may be extracted from binary content.
titleTitle for the indexed record. This index field may be populated directly from a source record field, such as Short description, or may be extracted from binary content.
urlURL for the source record's form view. When you select the indexed record from a search result list, the system redirects you to this URL so you can view the source record.Note: AI Search automatically populates this index field from the source record. You cannot override the index field value using map_to field settings.

Common index fields

The following AI Search index fields appear on all records indexed from ServiceNow AI Platform® source tables:

  • ai_search_parent_title
  • ai_search_teaser_text
  • ai_search_teaser_title
  • record_class_name
  • sys_id
  • table

Parent Topic:AI Search reference