I want set custom (user provided) packing slip and invoice number without over layering code. I know I can achieve this by overlayering code in SalesPackingSlipJournalCreate and SalesInvoiceJournalCreateBase but I want to do this using extension.
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I want set custom (user provided) packing slip and invoice number without over layering code. I know I can achieve this by overlayering code in SalesPackingSlipJournalCreate and SalesInvoiceJournalCreateBase but I want to do this using extension.