# Part of Odoo. See LICENSE file for full copyright and licensing details. from odoo import fields, models, api class AccountMove(models.Model): _inherit = 'account.move' l10n_ar_withholding_ids = fields.One2many( 'account.move.line', 'move_id', string='Withholdings', compute='_compute_l10n_ar_withholding_ids', readonly=True ) @api.depends('line_ids') def _compute_l10n_ar_withholding_ids(self): for move in self: move.l10n_ar_withholding_ids = move.line_ids.filtered(lambda l: l.tax_line_id.l10n_ar_withholding_payment_type)