odoo16/addons/pos_sale/models/res_config_settings.py

# -*- coding: utf-8 -*-

from odoo import fields, models


class ResConfigSettings(models.TransientModel):
    _inherit = 'res.config.settings'

    pos_crm_team_id = fields.Many2one(related='pos_config_id.crm_team_id', readonly=False, string='Sales Team (PoS)')
    pos_down_payment_product_id = fields.Many2one(related='pos_config_id.down_payment_product_id', readonly=False)