--- title: MQTT slug: mqtt docTags: createdAt: 2022-08-03T14:09:15.000Z --- The *MQTT* tab displays the Data Topic for an edge device to which you can subscribe. See [About MQTT ](docId\:PDSW2NaQoBffdlaBXPi4a)for more info about MQTT. :::hint{type="info"} **Note**: - The `Connected` state in the *MQTT* tab indicates that the browser is connected to the Manufacturing Connect MQTT server with your edge device's configuration settings (username, password, mqtt host), and that you have the correct edge device settings configured. - The connection status of the physical device can be found in the Devices list. ::: Refer to the following actions you can take on the Manufacturing Connect User UI's *Edge Devices Details MQTT* tab. ::Image[]{src="https://api.archbee.com/api/optimize/SSUUxKZUk9bFTEPNn_6Zo/gY2SapgX9S7_dRbRSQtDU_image.png" size="80" width="1920" height="969" caption="Manufacturing Connect User UI : Edge Device Details : MQTT tab" position="center" showCaption="true"} | **Action** | **Details** | | ---------------------------------------- | ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | | \[1] **Modify Data Topic Name** | Change the name of the data topic for the edge device.
1) **Copy Data Topic Name**: 2) **Select Quality of Service (QoS)**: 3) **Subscribe/Unsubscribe**: S | | \[2] **Copy Data Topic Name** | Duplicate the current data topic name to the clipboard. | | \[3] **Select Quality of service (QoS)** | Choose the level of service for message delivery: 0, 1, or 2. | | \[4] **Subscribe**/**Unsubscribe** | tart or stop receiving messages from the selected data topic; note that messages will be unavailable if you navigate away from the MQTT tab. |