How to bill closed cases in Dynamics 365 Customer Service? This depending on the accumulated times?

How to bill closed cases in Dynamics 365 Customer Service? This depending on the accumulated times?
Hi SwissMountains,
It depends on Billable Time: https://learn.microsoft.com/en-us/dynamics365/customer-service/user-guide-customer-service#resolve-a-case-1
If you mean how to create invoices that capture case billing time: