AI Search index fields

  • Release version: Yokohama
  • Updated July 31, 2025
  • 2 minutes to read
  • List of fields available on records in the AI Search index. AI Search populates these fields with values from source record fields during indexing.

    Table 1. AI Search index fields
    Field Description
    ai_search_parent_title Title 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_text Searchable 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_title Title 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_id Name of the indexed source that added the record to the AI Search index.
    ext_record_id Unique identifier for the external content source record that corresponds to the indexed record. Only populated for records from external content sources.
    ext_groups_deny Names 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_read Names 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_deny Names 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_read Names 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_id Sys_id of the indexing event that added the record to the AI Search index.
    language Language 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_name The hierarchical class used to render the source record.
    sys_id Sys_id of the source record.
    table Name 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.
    text Searchable 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.
    title Title 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.
    url URL 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