from odoo import models, fields class SaleOrderLineDuplicationWizard(models.TransientModel): _name = 'sale.order.line.duplication.wizard' _description = 'Wizard for selecting sale order lines to duplicate' wizard_id = fields.Many2one('sale.order.duplication.wizard', required=True, ondelete='cascade', string="Wizard") sale_order_line_id = fields.Many2one('sale.order.line', string="Sale Order Line", required=True) to_duplicate = fields.Boolean(string="Duplicate?", default=True)