add_creator( new ProformaCreator( $this->get_source_factory(), __( 'Issue Proforma', 'flexible-invoices-woocommerce' ), __( 'Proforma', 'flexible-invoices-woocommerce' ) ) ); $this->add_creator( new CorrectionCreator( $this->get_source_factory(), __( 'Issue Correction', 'flexible-invoices-woocommerce' ), __( 'Correction', 'flexible-invoices-woocommerce' ) ) ); } }