---
title: "changeCloudMongoDbUserList"
slug: "cli-vmongodb-changecloudmongodbuserlist"
updated: 2026-09-17T10:08:42Z
published: 2026-09-17T10:08:42Z
canonical: "cli.ncloud-docs.com/cli-vmongodb-changecloudmongodbuserlist"
---

> ## Documentation Index
> Fetch the complete documentation index at: https://cli.ncloud-docs.com/llms.txt
> Use this file to discover all available pages before exploring further.

# changeCloudMongoDbUserList

Available in VPC

Edit the DB user's information registered in a Cloud DB for MongoDB instance.

## Syntax

The `changeCloudMongoDbUserList` syntax is as follows:

```
./ncloud vmongodb changeCloudMongoDbUserList \
    --cloudMongoDbInstanceNo <instance-no> \
    --cloudMongoDbUserList <user-config> \
    [--regionCode <KR|SGN|JPN>] \
    [--output <json|xml>]
```

## Options

This section describes the options available when running `changeCloudMongoDbUserList`.

### Required options

The following options are required for `changeCloudMongoDbUserList`.

| Options | Type | Required | Description |
| --- | --- | --- | --- |
| `--cloudMongoDbInstanceNo` | String | Required | Instance number of Cloud DB for MongoDB - See [getCloudMongoDbInstanceList](/docs/en/cli-vmongodb-getcloudmongodbinstancelist). |
| `--cloudMongoDbUserList` | List | Required | List of DB users to be edited - For each user, enter {field=‘value’} pairs within quotation marks, separated by commas. - `userName` (required): DB user account ID. See [getCloudMongoDbUserList](/docs/en/cli-vmongodb-getcloudmongodbuserlist). - `password` (optional): DB user account password. Enter 8 to 20 characters containing at least one English letter, number, and special character. The special characters ``` `&amp;` `+` `\` `&quot;` `&apos;` `/` and spaces can't be used. - `databaseName` (required): Name of the database in which the DB user is registered. See [getCloudMongoDbUserList](/docs/en/cli-vmongodb-getcloudmongodbuserlist). - `authority` (optional): DB user permissions. `READ` (data query only) \| `READ_WRITE` (data entry, query, modification, and change available) - Up to 10 can be entered. |

### Common options

For information about the options common to all `vmongodb` subcommands, see [Cloud DB for MongoDB (VPC) options](/docs/en/cli-vmongodb#%EC%98%B5%EC%85%98).

## Examples

If the request to edit the DB user is successful, the information for the specified user will be updated.

### Command

The command example is as follows:

```
./ncloud vmongodb changeCloudMongoDbUserList \
    --cloudMongoDbInstanceNo 34567890 \
    --cloudMongoDbUserList "userName='testuser1', databaseName='testdb1', authority='READ_WRITE'" \
    --regionCode KR \
    --output json
```

### Output

The output example is as follows:

```
{
  "changeCloudMongoDbUserListResponse": {
    "requestId": "c3d4e5f6-a7b8-9012-cdef-345678901234",
    "returnCode": "0",
    "returnMessage": "success"
  }
}
```