# Update the subnet bound to the NAT gateway - UpdateNATGWSubnet

## Overview

Update the subnet bound to the NAT gateway






## Definition

### Public Parameters

| Parameter Name | Type | Description Information | Required |
|:---|:---|:---|:---|
| **Action**     | string  | Corresponding API command name, the current API is `UpdateNATGWSubnet`.                      | **Yes** |
| **PublicKey**  | string  | The user's public key can be obtained from [Console](https://console.nubexcloud.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 |
|:---|:---|:---|:---|
| **Region** | string | Region. See [List of Regions and Availability Zones](/docs/api/summary/regionlist) |**Yes**|
| **ProjectId** | string | Project Id. If not filled in, the default project is used. Sub-accounts must fill in. Please refer to the [GetProjectList interface](/docs/api/summary/get_project_list). |No|
| **NATGWId** | string | NAT Gateway Id |**Yes**|
| **SubnetworkIds.N** | string | Subnet Id bound to the NAT gateway |No|

### 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.nubexcloud.com/?Action=UpdateNATGWSubnet
&Region=xxx
&ProjectId=xxx
&NATGWId=BKyXAAfg
&SubnetworkIds.0=ShexPLKL
```

### Response Example
    
```json
{
  "Action": "UpdateNATGWSubnetResponse",
  "RetCode": 0
}
```