Steps for creating a subdomain from your admin panel
How do I create a subdomain?
How do I integrate my cPanel WHM to WHMCS?
Instructions on adding your WHM packages to your WHMCS billing
cPanel WHM FAQ
Common questions about cPanel WHM
How do I create an SRV record?
Steps for creating SRV zone records on Cloud or cPanel
Cloud Reseller Hosting WHMCS Module
Steps for adding Reseller Cloud Hosting to your WHMCS site