Koha-clms/installer/data/mysql/es-ES/optional/patron_atributes.sql

INSERT INTO `borrower_attribute_types` (`code`, `description`, `repeatable`, `unique_id`, `opac_display`, `staff_searchable`, `authorised_value_category`)
VALUES ('SHOW_BCODE',  'Show barcode on the summary screen items listings', 0, 0, 1, 0, 'YES_NO');