The article provides the steps to create a subdomain in cPanel.
Step 1: Log in to cPanel
Step 2: Under Domains choose Domains.
Step 3: Fill in the new subdomain name under Create an Addon Domain, and click on Submit.
You will see a confirmation message if the system created the sub-domain successfully.
If you need any further help, feel free to open a ticket with us at https://customer.hivium.com