Guestrooms can be added to Invoices, but cannot be added to Connected Invoices at this time.
Go to the relevant Booking
Click on the Invoices sub-tab and click on "+ New Invoice"
Select "Invoice" as the Invoice type and press Next
After your Invoice has been created, scroll down and click on "+ Add Booking Items"
Depending on what you want to Invoice your client for, select "Blocked Revenue" and/or "Pickup Revenue" and press Save
