# Uninstall and Delete Cloud Disk - DetachDeleteUDisk

## Overview

Uninstall and delete a UDisk that has already been mounted on a specified UHost instance.






## Definition

### Public Parameters

| Parameter Name | Type | Description Information | Required |
|:---|:---|:---|:---|
| **Action**     | string  | Corresponding API command name, the current API is `DetachDeleteUDisk`.                      | **Yes** |
| **PublicKey**  | string  | The user's public key can be obtained from [Console](https://console.genesissai.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. See [Availability Zone List](/docs/api/summary/regionlist) |No|
| **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|
| **UDiskId** | string | UDisk Instance ID to be Uninstalled |**Yes**|
| **UHostId** | string | UHost Instance ID. [You must fill in either UHostId or HostId, this field is about to be deprecated, it is recommended to use HostId] |No|
| **HostId** | string | Host Instance ID |No|
| **DeleteSnapshotService** | string | Do you want to delete the snapshot service? Yes: Delete, No: Do not delete, Default value: Yes. |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|
| **UHostId** | string | Uninstall the UHost instance ID. [Soon to be deprecated, it is recommended to use HostId] |No|
| **HostId** | string | Uninstalled Host Instance ID |No|
| **UDiskId** | string | Uninstall and delete UDisk instance ID |No|




## Example

### Request Example
    
```
https://api.genesissai.com/?Action=DetachDeleteUDisk
&Region=jUjENnRU
&Zone=jyQMsime
&ProjectId=ysaijOEv
&UHostId=GEtUmxtW
&HostId=WcdKcRsT
&UDiskId=LaaTtNLf
&HostProduct=PlcPMTyc
&CloseSnapshotService=EhlaHTFE
```

### Response Example
    
```json
{
  "Action": "DetachDeleteUDiskResponse",
  "HostId": "zBFpZJeX",
  "RetCode": 0,
  "UDiskId": "ZEUGkdOT",
  "UHostId": "pbVjIMWx"
}
```