This article provides the below link to the detailed implementation guide of AI Search on the ServiceNow platform:

• AI Search Implementation Guide (Note: site login required for access)

The AI Search Implementation Guide provides step-by-step information to not only achieve a minimal setup of the product but also to provide guidance to tune and customize AI Search.

The ServiceNow® AI Search application provides a modern consumer-grade search engine for ServiceNow® Service Portal, ServiceNow® Now Mobile, and ServiceNow® Virtual Agent . Intelligent query features enable users to quickly find the answers they need.

A quick overview of AI Search can be found here:

More information on AI Search can be found ServiceNow Docs.