public function batchInsert($collectionName, $documents, $options = [])
    {
        $this->document = [];
        foreach ($documents as $key => $document) {
            $this->document[$key] = [
                'type' => 'insert',
                'document' => $document
            ];
        }

        $result = $this->executeBatch($collectionName, $options);

        if ($result['result']->getInsertedCount() < 1) {
            return false;
        }

        return $result['insertedIds'];
    }