odoo16/addons/hr_contract/models/hr_employee_public.py

# -*- coding: utf-8 -*-
# Part of Odoo. See LICENSE file for full copyright and licensing details.

from odoo import fields, models


class HrEmployeePublic(models.Model):
    _inherit = "hr.employee.public"

    first_contract_date = fields.Date(readonly=True, groups="base.group_user")