from odoo import fields, models, api, _ class CustomMailMarketing(models.Model): _name = 'custom.mail.marketing' col1_string = fields.Char(string='col1_string') col2_string = fields.Char(string='col2_string') col3_string = fields.Char(string='col3_string') col4_string = fields.Char(string='col4_string') col5_string = fields.Char(string='col5_string') col6_string = fields.Char(string='col6_string') col7_string = fields.Char(string='col7_string') col8_string = fields.Char(string='col8_string') col9_string = fields.Char(string='col9_string') col10_string = fields.Char(string='col10_string')