from odoo import api, models class ProductPackaging(models.Model): _inherit = ["multi.company.abstract", "product.packaging"] _name = "product.packaging" @api.model_create_multi def create(self, vals_list): for vals in vals_list: product = self.env["product.product"].browse(vals.get("product_id")) vals["company_ids"] = [(6, 0, product.company_ids.ids)] res = super().create(vals_list) return res