from odoo import models class PortalShare(models.TransientModel): _inherit = 'portal.share' def action_send_mail(self): # Extend portal share to subscribe partners when sharing helpdesk tickets. result = super().action_send_mail() # Only subscribe partners if shared from helpdesk.ticket if self.res_model == 'helpdesk.ticket': self.resource_ref.message_subscribe(partner_ids=self.partner_ids.ids) return result