code: public function addToInsertList($key, $value, $isString = true)
      {
          $this->sqlInsertList[$key] = [
              'value' => $value,
              'string' => $isString,
          ];
      }
docs: Forms sql insert list for trigger callback.
  
  @param mixed $key
  @param mixed $value
  @param bool  $isString