# Modify UGN Bandwidth Size - ModifyUGNBandwidth

## Overview

Modify UGN Bandwidth Size






## Definition

### Public Parameters

| Parameter Name | Type | Description Information | Required |
|:---|:---|:---|:---|
| **Action**     | string  | Corresponding API command name, the current API is `ModifyUGNBandwidth`.                      | **Yes** |
| **PublicKey**  | string  | The user's public key can be obtained from [Console](https://console.scloudsg.com/uaccount/api_manage)                                             | **Yes** |
| **Signature**  | string  | User signature generated based on public key and API command, see [Signature Algorithm](/docs/api/summary/signature.md)  | **Yes** |

### Request Parameters

| Parameter Name | Type | Description Information | Required |
|:---|:---|:---|:---|
| **ProjectId** | string | Project ID. If not filled in, the default project is used, sub-accounts must be filled in. Please refer to the [GetProjectList interface](/docs/api/summary/get_project_list). |No|
| **PackageID** | string | Bandwidth Package ID |**Yes**|
| **UGNID** | string | UGN id |**Yes**|
| **BandWidth** | int | Bandwidth Value |**Yes**|

### Response Field

| Field Name | Type | Description Information | Required |
|:---|:---|:---|:---|
| **RetCode** | int | Return status code. If it is 0, it means successful return. If it is not 0, it means failure. |**Yes**|
| **Action** | string | Operation command name. |**Yes**|
| **Message** | string | Returns an error message, providing detailed description when `RetCode` is non-zero. |No|




## Example

### Request Example
    
```
https://api.scloudsg.com/?Action=ModifyUGNBandwidth
&ProjectId=EeGhlCgP
&PackageID=DasGNZAh
&UGNID=PKyEMuFd
&BandWidth=3
```

### Response Example
    
```json
{
  "Action": "ModifyUGNBandwidthResponse",
  "Message": "ueWFRtvY",
  "RetCode": 0
}
```