Sales invoice report - Change design in code


i wanted to ask in which class do i have to change design name for Sales invoice SSRS Report if i developed a new layout in classes ? cant find the right place, changing it in Controller doesn’t work, i want to to work from “Original” Sales invoice button in CustInvoiceJour

It generally load the report format from print management.
You can change it in the controller. Look at the \Classes\SalesInvoiceController\runPrintMgmt