# Get configuration file content - ExtractUDBParamGroup

## Overview

Get configuration file content






## Definition

### Public Parameters

| Parameter Name | Type | Description Information | Required |
|:---|:---|:---|:---|
| **Action**     | string  | Corresponding API command name, the current API is `ExtractUDBParamGroup`.                      | **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 [List of Regions and Availability Zones](/docs/api/summary/regionlist) |**Yes**|
| **Zone** | string | Availability Zone. If RegionFlag=false, it must be passed, otherwise, it can be omitted. See [Availability Zone List](/docs/api/summary/regionlist) |No|
| **GroupId** | int | Configuration ID |**Yes**|
| **RegionFlag** | boolean | Whether it crosses availability zones, when RegionFlag is true, it means cross-availability zone configuration file. If RegionFlag=true, Zone can be omitted, otherwise Zone must be passed. |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|
| **Content** | string | Configuration File Content |**Yes**|




## Example

### Request Example
    
```
https://api.scloudsg.com/?Action=ExtractUDBParamGroup
&Region=cn-zj
&Zone=cn-zj-01
&GroupId=9
&RegionFlag=false
```

### Response Example
    
```json
{
  "Action": "ExtractUDBParamGroupResponse",
  "Content": "MEuQwaaA",
  "RetCode": 0
}
```