# Displaying messages using a debug node

You can display messages in the debug tab of the side bar.

1. Open Node-RED.
2. Add a debug node from the output category to the workspace.
3. Connect the input of the debug node to the output of the node whose output you want to monitor.
4. Double-click the debug node to open the Edit node dialogue.
5. In the Output combo box, select the message property you want to display.
6. In the section To, enable the debug window check box to display the messages in the sidebar.
7. Click Done to apply your changes.

8. We recommend to disable all debug nodes that are not currently being used.

9. Toggle the button on the debug node, to enable or disable the output of the debug node.

1. Once you deploy the flow, you can view the messages in the debug tab of the sidebar.