public void setIndexName(String indexName) {
        this.indexName = indexName;
    }
<p>
The Serverless offering for Amazon OpenSearch Service index name.
</p>

@param indexName
       The Serverless offering for Amazon OpenSearch Service index name.
aws-java-sdk-kinesis/src/main/java/com/amazonaws/services/kinesisfirehose/model/AmazonOpenSearchServerlessDestinationUpdate.java