--- title: Catalog builder preview topic conversation description: From the catalog builder, a user can preview a catalog item in a Virtual Agent conversation. locale: en-US canonical_url: https://www.servicenow.com/docs/r/australia/servicenow-platform/service-catalog/catalog-builder-preview-topic.html release: australia product: Service Catalog classification: service-catalog topic_type: concept last_updated: "2026-03-12" reading_time_minutes: 1 breadcrumb: [Create a catalog item using a template, Creating or editing catalog item template, Catalog Builder, Service Catalog, Manage service capabilities, Extend ServiceNow AI Platform capabilities] --- # Catalog builder preview topic conversation From the catalog builder, a user can preview a catalog item in a Virtual Agent conversation. This conversation uses the Request Catalog Item topic block. For information on this topic block, see [Service Catalog topic blocks in Virtual Agent powered by NLU](https://raw.githubusercontent.com/ServiceNow/ServiceNowDocs/australia/markdown/australia/servicenow-platform/service-catalog/request-topic-blocks-va.md). The Service Management Virtual Agent Topic Blocks plugin \(com.glideapp.cs.sm\_topic\_blocks\) and one of these plugins should be installed. - Glide Virtual Agent \(com.glide.cs.chatbot\) - Glide Virtual Agent Lite \(com.glide.cs.chatbot.lite\) In catalog builder, when the user selects the required item and navigates to preview it, the following scenarios are possible: - If the item is supported in the conversation mode, you can preview the item in the Virtual Agent conversation by answering the questions but cannot submit a request for the item. For information about when a catalog item is supported in the conversation mode, see [Service Catalog topic blocks in Virtual Agent powered by NLU](https://raw.githubusercontent.com/ServiceNow/ServiceNowDocs/australia/markdown/australia/servicenow-platform/service-catalog/request-topic-blocks-va.md). - If the item is not supported in the conversation mode, a link is provided for the portal preview of the item. - When the required plugins are not installed, an illustration displaying a sample conversational experience for the catalog item submission appears. **Parent Topic:**[Create a catalog item using a template](https://raw.githubusercontent.com/ServiceNow/ServiceNowDocs/australia/markdown/australia/servicenow-platform/service-catalog/create-item-cat-builder.md) **Related topics** [Service Catalog topic blocks in Virtual Agent powered by NLU](https://raw.githubusercontent.com/ServiceNow/ServiceNowDocs/australia/markdown/australia/servicenow-platform/service-catalog/request-topic-blocks-va.md)