--- title: Add an existing business application to a Technology Reference Model product description: You can add existing business application to Technology Reference Model \(TRM\) products in the Enterprise Architecture Workspace. locale: en-US canonical_url: https://www.servicenow.com/docs/r/australia/application-portfolio-management/eaw-add-existing-ba-to-trm-product.html release: australia topic_type: task last_updated: "2026-03-12" reading_time_minutes: 1 breadcrumb: [Working with Technology Reference Model \(TRM\) in EA Workspace, Managing Enterprise Architecture Workspace, Enterprise Architecture Workspace, Enterprise Architecture] --- # Add an existing business application to a Technology Reference Model product You can add existing business application to Technology Reference Model \(TRM\) products in the Enterprise Architecture Workspace. ## Before you begin Role required: sn\_apm.apm\_user ## Procedure 1. Navigate to **Workspace** > **Enterprise Architecture Workspace**. 2. Open the Technology Portfolio page by selecting the Technology Portfolio icon \[Omitted image "technology-portfolio-icon.png"\] Alt text: Technology portfolio icon. 3. In the **TRM catalog** tab, select **TRM product list** from the View list.\[Omitted image "trm-product-view-dropdown.png"\] Alt text: TRM view list drop-down list. 4. Select the expand row icon \(\[Omitted image "ExpandIcon.png"\] Alt text: Expand Row icon\) next to the TRM product that you want to add existing business applications to. 5. Select the TRM product. 6. Select **Business Applications**. 7. Select **Add**. 8. In the **Add business application** pop-up window, select the existing business application. 9. Select **OK**. ## Result The existing business application is added to the TRM product. **Parent Topic:**[Working with Technology Reference Model \(TRM\) in EA Workspace](https://raw.githubusercontent.com/ServiceNow/ServiceNowDocs/australia/markdown/australia/application-portfolio-management/eaw-work-with-trm.md) **Related topics** [Technology Reference Model in Enterprise Architecture Workspace](https://raw.githubusercontent.com/ServiceNow/ServiceNowDocs/australia/markdown/australia/application-portfolio-management/eaw-managing-the-technology-portfolio.md) [Exploring business applications](https://raw.githubusercontent.com/ServiceNow/ServiceNowDocs/australia/markdown/australia/application-portfolio-management/eaw-manage-business-applications.md) [Working with Technology Reference Model \(TRM\) in EA Workspace](https://raw.githubusercontent.com/ServiceNow/ServiceNowDocs/australia/markdown/australia/application-portfolio-management/eaw-work-with-trm.md) [Working with an application portfolio](https://raw.githubusercontent.com/ServiceNow/ServiceNowDocs/australia/markdown/australia/application-portfolio-management/eaw-work-with-application-portfolio.md)