When managing your customers' connections and snapshots, you'll want to ensure that you organize them accordingly. To do so, you'll need to create each customer separately under your main account.
From your main account, click the Customers tab:
From here, you'll see a list of your current customers. To add a new one, click the Add Customer button:
Add your customer name and select a customer group. To learn about Customer Groups, look at this article. You can also add users directly here, or you add them later.
Your new customer will now appear in the list, and also from the customer dropdown