---
title: Manage Nodes
slug: litmusedge-v1/product-features/opc-ua-server/hierarchy/manage-nodes
description: Learn how to manage nodes in the OPC hierarchy. 
docTags: 
createdAt: 2022-09-26T14:14:57.000Z
---

You can manage nodes by navigating to **OPC **>** Hierarchy**. Refer to the image and callouts for management options. 

![](https://api.archbee.com/api/optimize/SSUUxKZUk9bFTEPNn_6Zo/yDbxaUh2BerFCAXbkyIja_image.png "Management options for nodes")

\[1]** Show filter**: Search for nodes. 

\[2] **Remove selected node**: After confirming the removal of the node from the *Hierarchy *pane, click the **Save **icon. After saving the update, you must restart the OPC UA server. See [Manage the OPC UA Server](docId\:auzIPeIw63IOIZXLEQ3xe) to learn more. 

:::hint{type="warning"}
**Caution**: All child nodes and their configurations are deleted when you remove a selected node.
:::

\[3] **Reset hierarchy**: Resetting the hierarchy removes all the nodes in the hierarchy. After confirming the reset of the hierarchy, click the **Save **icon. After saving the update, you must Reset the OPC UA server. See [Manage the OPC UA Server](docId\:auzIPeIw63IOIZXLEQ3xe) to learn more. 

\[4] **Export as JSON**: Open the **Action menu** to export the hierarchy exports all of the nodes in the hierarchy to a JSON file and download it to your hard drive. A hierarchy must exist in the *Hierarchy *pane to view this option. 

\[5] **Import JSON**: Open the **Action menu** to import all the nodes from a JSON file. The imported nodes merge with the existing hierarchy rather than replace it. After saving the update, you must Reset the OPC UA server. See [Manage the OPC UA Server](docId\:auzIPeIw63IOIZXLEQ3xe) to learn more.