---
title: Child Table form
description: The Child Table form enables you to enable AI Search content indexing for a child table that extends an indexed source table.
locale: en-US
canonical_url: https://www.servicenow.com/docs/r/australia/platform-administration/ai-search/child-table-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]
---

# Child Table form

The Child Table form enables you to enable AI Search content indexing for a child table that extends an indexed source table.

For details on creating or modifying an indexed source child table, see [Create an indexed source](https://raw.githubusercontent.com/ServiceNow/ServiceNowDocs/australia/markdown/australia/platform-administration/ai-search/create-indexed-source-ais.md).

|Field|Description|
|-----|-----------|
|Indexed Source|Reference to the indexed source. This field is automatically set.|
|Table|Label and name for the child table that you want to enable content indexing for. You can only select from tables that extend the indexed source table.|
|Active|Option to activate indexing for the child table.|
|Application|Application scope for the child table indexing configuration. This field is automatically set.|

**Parent Topic:**[AI Search reference](https://raw.githubusercontent.com/ServiceNow/ServiceNowDocs/australia/markdown/australia/platform-administration/ai-search/reference-ais.md)