---
title: "NasVolumeSnapshotConfigurationHistory"
slug: "common-vapidatatype-nasvolumesnapshotconfigurationhistory"
updated: 2026-09-17T09:25:06Z
published: 2026-09-17T09:25:06Z
canonical: "api.ncloud-docs.com/common-vapidatatype-nasvolumesnapshotconfigurationhistory"
---

> ## Documentation Index
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# NasVolumeSnapshotConfigurationHistory

Available in VPC

This is a NAS volume snapshot configuration history.

## Syntax

The syntax is as follows.

```
private String nasVolumeInstanceNo;
private String historySequenceNo;
private CommonCode historyType;
private String ip;
private Date registerDate;
private Float snapshotVolumeConfigurationRatio;
private CommonCode snapshotVolumeConfigPeriodType;
private CommonCode snapshotVolumeConfigDayOfWeekType;
private Integer snapshotVolumeConfigTime;
```

## Field

The following describes the fields.

| Field | Type | Required | Description |
| --- | --- | --- | --- |
| `nasVolumeInstanceNo` | String | Required | NAS volume instance number |
| `historySequenceNo` | String | Required | Snapshot configuration history serial number |
| `historyType` | [CommonCode](/docs/en/common-vapidatatype-commoncode) | Required | Snapshot configuration history type - `CREAT` \| `DEL` \| `CHG` - `CREAT`: create - `DEL`: delete - `CHG`: change |
| `ip` | String | Required | Snapshot configuration place IP address |
| `registerDate` | Date | Required | Snapshot configuration execution date and time (YYYY-MM-DDThh:mm:ssZ) |
| `snapshotVolumeConfigurationRatio` | Float | Required | Snapshot volume configuration ratio - 0.0 - 99.0% |
| `snapshotVolumeConfigPeriodType` | [CommonCode](/docs/en/common-vapidatatype-commoncode) | Optional | Snapshot volume configuration period type - `DAY` \| `WEEK` - `DAY`: daily - `WEEK`: weekly |
| `snapshotVolumeConfigDayOfWeekType` | [CommonCode](/docs/en/common-vapidatatype-commoncode) | Optional | Days of the week that snapshots are automatically created - `-1` \| `0` \| `1` \| `2` \| `3` \| `4` \| `5` \| `6` - `-1`: daily - `0`: Sunday - `1`: Monday - `2`: Tuesday - `3`: Wednesday - `4`: Thursday - `5`: Friday - `6`: Saturday |
| `snapshotVolumeConfigTime` | Integer | Optional | Snapshot volume configuration time - 0 - 23 (hour) |