--- title: Reference description: Reference information of the catalog agent and LLM topic blocks to power conversational catalog requests. locale: en-US canonical_url: https://www.servicenow.com/docs/r/australia/servicenow-platform/service-catalog/catalog-agent-reference.html release: australia product: Service Catalog classification: service-catalog topic_type: concept last_updated: "2026-06-26" reading_time_minutes: 1 keywords: [reference] breadcrumb: [Conversational Catalog Requests, Service Catalog, Manage service capabilities, Extend ServiceNow AI Platform capabilities] --- # Reference Reference information of the catalog agent and LLM topic blocks to power conversational catalog requests. - **[Catalog Agent](https://raw.githubusercontent.com/ServiceNow/ServiceNowDocs/australia/markdown/australia/servicenow-platform/service-catalog/catalog-agent-reference-1.md)** Use this reference to understand the Catalog Agent capabilities, supported request types, constraints, and key considerations when deploying conversational catalog requests. - **[LLM topic blocks](https://raw.githubusercontent.com/ServiceNow/ServiceNowDocs/australia/markdown/australia/servicenow-platform/service-catalog/llm-topic-blocks-reference.md)** Use this reference to understand the LLM topic blocks capabilities, supported request types, constraints, and key considerations when deploying conversational catalog requests. **Parent Topic:**[Conversational Catalog Requests](https://raw.githubusercontent.com/ServiceNow/ServiceNowDocs/australia/markdown/australia/servicenow-platform/service-catalog/now-assist-in-conversational-catalog-request.md)