Multiple prepayment billing events on a contract creating multiple invoices

Summary:

When we create multiple prepayment billing events on a contract and run the generate invoice process, it is creating multiple draft invoices. We would like all the events to be consolidated in a single prepayment invoice with multiple lines. How can we do that?

Content (please ensure you mask any confidential information):

Version (include the version you are using, if applicable):

Code Snippet (add any code snippets that support your topic, if applicable):