Generate One project event to one Project Invoice

Summary:

As per of migration we need to migrate each event need to be migrated single invoice.

Content (required):

There are multiple event for the same contract and project and task. we need to generate each event into different invoice.

We are able to group the invoice by Contract or by project, but unable to group by event number so that it will create unique invoice for event

is there a option to do the same?

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

21D

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