from odoo import models, fields class AccountMove(models.Model): _inherit = 'account.move' woo_order_id = fields.Many2one('woo.order', string='WooCommerce Order') is_woo_invoice = fields.Boolean(compute='_compute_is_woo_invoice', string='Is WC Invoice') def _compute_is_woo_invoice(self): for move in self: move.is_woo_invoice = bool(move.woo_order_id)