# -*- coding: utf-8 -*- from openerp import api, models class MailMessage(models.Model): _inherit = 'mail.message' @api.multi def write(self, values): if values.get('needaction_partner_ids'): if not values.get('partner_ids'): values['partner_ids'] = [] for triplet in values.get('needaction_partner_ids'): if triplet[0] == 6: for id in triplet[2]: values['partner_ids'].append((4, id, False)) return super(MailMessage, self).write(values)