code: def save_profile_id(self, profile: Profile):
          
          os.makedirs(self.dirname_pattern.format(profile=profile.username,
                                                  target=profile.username), exist_ok=True)
          with open(self._get_id_filename(profile.username), 'w') as text_file:
              text_file.write(str(profile.userid) + "\n")
              self.context.log("Stored ID {0} for profile {1}.".format(profile.userid, profile.username))
docs: Store ID of profile locally.
  
          .. versionadded:: 4.0.6