---
title: Import Nodes
slug: litmusedge/product-features/opc-ua-server/hierarchy/import-nodes
description: You can import nodes to the OPC hierarchy. 
docTags: 
createdAt: 2022-09-26T14:47:52.000Z
---

You can import nodes from your DeviceHub configuration by navigating to **OPC **>** Hierarchy**.

:::hint{type="info"}
**Note**: The imported nodes merge with the existing hierarchy rather than replace it.
:::

# Import Nodes

You can import topics from DeviceHub and Analytics simultaneously.

- **Import All** adds the correct folders and tags.
- **Import Select** allows adding a list of topics that you define.

**To import nodes:**

1. Navigate to **OPC **> **Hierarchy**.
2. To import all DeviceHub and Analytics topics:
   1. Select **Import from DeviceHub** > **Import All**.

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In the Confirmation dialog, click **Yes**.
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3. To import specific topics:
   1. Select **Import from DeviceHub** > **Select Import Options**.
   2. In **Manage Data Import**, expand the **DeviceHub** or **Analytics** section.
   3. To add DeviceHub topics, select a device and then choose topics to import and click **Next**.

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To add Analytics topics, select a device and then choose topics to import and click **Next**.
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Click **Import**.
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# Restart OPC UA server

After importing nodes, you must restart the OPC UA server. See [Manage the OPC UA Server](docId:7VkiL1p6HpevwgMVJ98dx) to learn more.