Portal Only Personal Quotations/Sales [('message_partner_ids','child_of', [user.partner_id.id])] Portal Only Personal Sales Orders Line [('order_id.message_partner_ids','child_of', [user.partner_id.id])] Portal display personal invoices linked to personal sale orders [('invoice_line_ids.sale_line_ids.order_id.message_partner_ids', 'child_of', [user.partner_id.id])] Portal display personal invoice lines linked to personal sale orders [('sale_line_ids.order_id.message_partner_ids', 'child_of', [user.partner_id.id])]