How do I alter formatted invoice numbers?
In order to alter formatted invoice numbers, simply add the following filter to your themes functions.php
function alter_formatted_invoice_number( $formatted_invoice_number, $document_type ) {
if ( $document_type === 'invoice/global' ) { // 'simple' or 'global'.
// add M for global invoices.
return 'M' . $formatted_invoice_number;
}
return $formatted_invoice_number;
}
add_filter( 'bewpi_formatted_invoice_number', 'alter_formatted_invoice_number', 10, 2 );