From Hostcontrol Wiki
In order to add a VPS to a customer account, take the following steps:
- First, go to the customer you want to add the plan to, and use Customer Actions > Add VPS.
- Next, confirm you want to add it for this customer:
- Next, select the VPS and the interval you want to add this for:
- After confirming, the VPS will be added to the customer's account, without creating an invoice or order.