# Modify USMS Template - UpdateUSMSTemplate

## Overview

Invoke the UpdateUSMSTemplate interface to modify the unapproved SMS template and resubmit it for review.

 > 💡 Modify message template. Used to modify existing templates. After successful submission, if the template content is modified, the template status will be reset to the initial creation state; if only the template name is modified, it will not be reset.




## Definition

### Public Parameters

| Parameter Name | Type | Description Information | Required |
|:---|:---|:---|:---|
| **Action**     | string  | Corresponding API command name, the current API is `UpdateUSMSTemplate`.                      | **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). |**Yes**|
| **TemplateId** | string | SMS Template ID |**Yes**|
| **Template** | string | New template content. Either a template name or template content must be provided, otherwise an error will occur. Must be less than or equal to 600 characters. |**Yes**|
| **TemplateName** | string | New template name. Less than or equal to 32 characters, each Chinese, English, array, and symbol are counted as one character. |No|
| **Remark** | string | Reason for SMS template application, the number of characters should not exceed 128. Each Chinese character, symbol, English letter, number, etc. is counted as one character. |No|
| **Instruction** | string | Template Variable Property Description |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.scloudsg.com/?Action=UpdateUSMSTemplate
&ProjectId=org-bxxxxy
&TemplateId=UTA1908XXXX8B3F
&Template=alertXXXXXXXXXXXXXXXXXXXXXXXX
&TemplateName=ucloud-alert
&Remark=XXXXXXXXXXXXXXX
&UnsubscribeInfo=sUGREgjQ
&Instruction=cmUVPDNr
```

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