code: protected function setVerificationCode($code = null)
      {
          $this->{Config::get('verifier.store_column')}  = $code;
  
          if ($code) {
              $this->{Config::get('verifier.flag_column')} = false;
          } else {
              $this->{Config::get('verifier.flag_column')} = true;
          }
  
          $this->save();
      }
docs: Assigns and saves the verification code
  
  @param null $code