# CreateNetworkLoadBalancer - CreateNetworkLoadBalancer

## Overview

CreateNetworkLoadBalancer






## Definition

### Public Parameters

| Parameter Name | Type | Description Information | Required |
|:---|:---|:---|:---|
| **Action**     | string  | Corresponding API command name, the current API is `CreateNetworkLoadBalancer`.                      | **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 |
|:---|:---|:---|:---|
| **Region** | string | Region. See [Region and Zone List](/docs/api/summary/regionlist) |**Yes**|
| **ProjectId** | string | Project ID. Leave it blank for the default project. Sub-accounts must fill in. Please refer to the [GetProjectList API](/docs/api/summary/get_project_list) |No|
| **VPCId** | string | The resource ID of the VPC to which the load balancing instance belongs |**Yes**|
| **SubnetId** | string | Subnet resource ID to which the load balancing instance belongs |**Yes**|
| **ApiVersion** | string | API Version, limited values v1.0 v2.0, default value: v2.0 |No|
| **Tag** | string | The business group ID to which the load balancing instance belongs |No|
| **Name** | string | Name of the Load Balancing Instance<br />Character length limit: [1-255]<br />Only supports special characters: -_.<br />Default value: nlb |No|
| **Remark** | string | Remarks information for the load balancing instance<br />Character length limit: [0-255] |No|
| **IPVersion** | string | IP protocol of the load balancing instance, limited values: IPv4/IPv6/DualStack, default value: IPv4 |No|
| **ChargeType** | string | Payment mode, limited values: Dynamic/Month/Year |No|
| **Quantity** | int | Purchased Duration |No|
| **CouponId** | string | Coupon Code |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|
| **NLBId** | string | network load balancer id |**Yes**|




## Example

### Request Example
    
```
https://api.scloudsg.com/?Action=CreateNetworkLoadBalancer
&Region=cn-zj
&Zone=cn-zj-01
&ProjectId=HkjWDdfl
&VPCId=EssQuIsg
&SubnetId=vyYFxdTt
&Version=wJdyXLks
&Tag=AMKOemER
&Remark=bhMftnEX
&IPVersion=fVEAhtVI
&ChargeType=RflnbSTn
&Quantity=2
&CouponId=gnDIbnkQ
&Name=tFAHapTS
```

### Response Example
    
```json
{
  "Action": "CreateNetworkLoadBalancerResponse",
  "Message": "cfTYWNPs",
  "NLBId": "gTFbefPL",
  "RetCode": 0
}
```