from openerp import models, fields, tools, api class casbox_input(models.Model): _inherit = 'cash.box.in' date = fields.Date() message_deleted = fields.Text('Message Deleted') active = fields.Boolean('Active', default=True) line_id = fields.Many2one('account.bank.statement.line', 'Bank statement line') statement_id = fields.Many2one('account.bank.statement', 'Bank statement') class casbox_output(models.Model): _inherit = 'cash.box.out' date = fields.Date() ref =fields.Char('ref') message_deleted = fields.Text('Message Deleted') active = fields.Boolean('Active', default=True) line_id = fields.Many2one('account.bank.statement.line', 'Bank statement line') statement_id = fields.Many2one('account.bank.statement', 'Bank statement')