--- title: Link an activated decision tree to this decision tree description: Nest and invoke a decision tree from a linking node when specific conditions are met in Decision Tree Builder. Use nested trees to execute complex troubleshooting and reuse existing decision trees. locale: en-US canonical_url: https://www.servicenow.com/docs/r/australia/customer-service-management/configure-linking-node-dtb.html release: australia topic_type: task last_updated: "2026-03-12" reading_time_minutes: 1 breadcrumb: [Configuring decision trees in Decision Tree Builder, Configuring guidances and decision trees, Guided Decisions configuration, Agent tools, Organize agent workspaces, Configure, Customer Service Management] --- # Link an activated decision tree to this decision tree Nest and invoke a decision tree from a linking node when specific conditions are met in Decision Tree Builder. Use nested trees to execute complex troubleshooting and reuse existing decision trees. ## Before you begin Role required: admin, sn\_gd\_core.decision\_tree\_author ## Procedure 1. Navigate to **All** > **Guided Decisions** > **Decision Trees**. 2. Select the decision tree from the list. 3. Select **Open in Builder**. 4. In Decision Tree Builder, add a new node by selecting the Add path icon \(\[Omitted image "icon-add-path.png"\] Alt text: Add path icon\) on a node. 5. Select **Add node**. 6. In the pop-up window, select **Link decision tree** to configure a linking node. 7. Enter a name for the node. 8. In the **Child decision tree** field, select an activated decision tree. 9. Enter values or link inputs to reuse answers from prior nodes. For more information, see [Reuse answers at decision points](https://raw.githubusercontent.com/ServiceNow/ServiceNowDocs/australia/markdown/australia/customer-service-management/map-inputs-in-decision-guidance-node.md). 10. Select **Save and close**.