
from odoo import fields, models


class Contact(models.Model):
    _inherit = "res.partner"

    company_group_id = fields.Many2one(
        "res.partner", "Company group", domain=[("is_company", "=", True)]
    )

    def _commercial_fields(self):
        return super()._commercial_fields() + ["company_group_id"]


from odoo import fields, models


class Contact(models.Model):
    _inherit = "res.partner"

    company_group_id = fields.Many2one(
        "res.partner", "Company group", domain=[("is_company", "=", True)]
    )
    company_group_member_ids = fields.One2many(
        comodel_name="res.partner",
        inverse_name="company_group_id",
        string="Company group members",
    )

    def _commercial_fields(self):
        return super()._commercial_fields() + ["company_group_id"]

Add one2many counterpart for company_group_id TT34815
[IMP] partner_company_group: Add one2many counterpart for company_group_id
TT34815

  
  from odoo import fields, models
  
  
  class Contact(models.Model):
      _inherit = "res.partner"
  
      company_group_id = fields.Many2one(
          "res.partner", "Company group", domain=[("is_company", "=", True)]
      )
+     company_group_member_ids = fields.One2many(
+         comodel_name="res.partner",
+         inverse_name="company_group_id",
+         string="Company group members",
+     )
  
      def _commercial_fields(self):
          return super()._commercial_fields() + ["company_group_id"]
  
Add one2many counterpart for company_group_id TT34815
## Code Before:

from odoo import fields, models


class Contact(models.Model):
    _inherit = "res.partner"

    company_group_id = fields.Many2one(
        "res.partner", "Company group", domain=[("is_company", "=", True)]
    )

    def _commercial_fields(self):
        return super()._commercial_fields() + ["company_group_id"]

## Instruction:
Add one2many counterpart for company_group_id TT34815
## Code After:

from odoo import fields, models


class Contact(models.Model):
    _inherit = "res.partner"

    company_group_id = fields.Many2one(
        "res.partner", "Company group", domain=[("is_company", "=", True)]
    )
    company_group_member_ids = fields.One2many(
        comodel_name="res.partner",
        inverse_name="company_group_id",
        string="Company group members",
    )

    def _commercial_fields(self):
        return super()._commercial_fields() + ["company_group_id"]
