--- title: "Object Storage" slug: "common-vapidatatype-dataflowetljobnode-targetobjectstorage" updated: 2026-09-17T09:25:15Z published: 2026-09-17T09:25:15Z canonical: "api.ncloud-docs.com/common-vapidatatype-dataflowetljobnode-targetobjectstorage" --- > ## Documentation Index > Fetch the complete documentation index at: https://api.ncloud-docs.com/llms.txt > Use this file to discover all available pages before exploring further. # Object Storage This is the target node information for the Object Storage type. Note For common syntax and field information on the node source, transform, and target types of Data Flow ETL jobs, see [ETLJobNode common](/docs/en/common-vapidatatype-dataflowetljobnode). ### Syntax The syntax is as follows: ``` private String regionNo; private String bucketName; private String prefix; private String dataType; private List fieldList; private UpdateMode updateType; private Integer coalesce; ``` ### Field The following describes the fields: | Field | Type | Required | Description | | --- | --- | --- | --- | | `regionNo` | String | Required | Region number | | `bucketName` | String | Required | Bucket name | | `prefix` | String | Required | Target path | | `dataType` | String | Required | Data type - `JSON` \| `CSV` \| `PARQUET` | | `fieldList` | List | Required | Field list | | `updateType` | String | Optional | Update option - `OVERWRITE` \| `APPEND` \| `IGNORE` | | `coalesce` | Integer | Optional | Number of output files |