Autoinvoice data manipulation

Summary

Looking for example of manipulating data in autoinvoice table prior to creating invoice

Content

I am looking to find out if it is possible to add lines to the existing order data lines in invoice interface table to add additional charges that needs to be billed to the customer in the same invoice. Example: Data for an order for $100 is inserted in invoice interface after order is shipped. We would like to add another line (one or more) for various other charges that do not flow through the order. Thus, before autoinvoice runs we would want to insert new lines via FBDI to the ra_interface_lines_all and process them along with the order lines that came