---
title: "Object Storage"
slug: "common-vapidatatype-dataflowetljobnode-sourceobjectstorage"
updated: 2026-09-17T09:25:17Z
published: 2026-09-17T09:25:17Z
canonical: "api.ncloud-docs.com/common-vapidatatype-dataflowetljobnode-sourceobjectstorage"
---

> ## 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 source 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<Field> fieldList;
```

### Field

The following describes the fields:

| Field | Type | Required | Description |
| --- | --- | --- | --- |
| `regionNo` | String | Required | Region number |
| `bucketName` | String | Required | Bucket name |
| `prefix` | String | Required | Prefix |
| `dataType` | String | Required | Data type - `JSON` \| `CSV` \| `PARQUET` \| `NDJSON` |
| `fieldList` | List | Required | Field list |