# Part of Hibou Suite Professional. See LICENSE_PROFESSIONAL file for full copyright and licensing details. from odoo import api, fields, models class SaleOrder(models.Model): _inherit = 'sale.order' rma_count = fields.Integer(string='RMA Count', compute='_compute_rma_count', compute_sudo=True) rma_ids = fields.One2many('rma.rma', 'sale_order_id', string='RMAs') @api.depends('rma_ids') def _compute_rma_count(self): for so in self: so.rma_count = len(so.rma_ids)