# -*- coding: utf-8 -*- from odoo import models, fields class EducationClass(models.Model): _name = 'education.class' _description = 'Education Class' name = fields.Char(string='Name', required=True) class_group_id = fields.Many2one('education.class.group', string='Class Group', ondelete='restrict') next_class_id = fields.Many2one('education.class', string='Next Class') attachment_ids = fields.Many2many('ir.attachment', 'education_student_ir_attachment_rel', 'attachment_id', 'student_id', string='Attachments')