# Unpublishing a global variable from OPC UA Clients

1. Prerequisite
2. You have published a global variable for OPC UA Clients.

1. In the Data settings, click Variables.
2. The Global variables list is displayed. The list contains all global variables of the deployed real-time application.
3. Disable the check box of the variable you want to unpublish.

4. If you want to unpublish several variables, you can select several variables in the list and click the Unpublish button.

5. Click Apply.

1. OPC UA Clients cannot access the unpublished variable.