# UpdateTemplate


**Note**  
 AWS Migration Hub is no longer open to new customers as of November 7, 2025. For capabilities similar to AWS Migration Hub, explore [AWS Migration Hub](https://aws.amazon.com/transform).

Updates a migration workflow template.

## Request Syntax


```
POST /template/id HTTP/1.1
Content-type: application/json

{
   "clientToken": "string",
   "templateDescription": "string",
   "templateName": "string"
}
```

## URI Request Parameters


The request uses the following URI parameters.

 ** [id](#API_UpdateTemplate_RequestSyntax) **   <a name="migrationhuborchestrator-UpdateTemplate-request-uri-id"></a>
The ID of the request to update a migration workflow template.  
Length Constraints: Minimum length of 1. Maximum length of 100.  
Pattern: `[-a-zA-Z0-9_.+]+[-a-zA-Z0-9_.+ ]*`   
Required: Yes

## Request Body


The request accepts the following data in JSON format.

 ** [clientToken](#API_UpdateTemplate_RequestSyntax) **   <a name="migrationhuborchestrator-UpdateTemplate-request-clientToken"></a>
A unique, case-sensitive identifier that you provide to ensure the idempotency of the request.  
Type: String  
Length Constraints: Minimum length of 1. Maximum length of 256.  
Pattern: `[-a-zA-Z0-9]*`   
Required: No

 ** [templateDescription](#API_UpdateTemplate_RequestSyntax) **   <a name="migrationhuborchestrator-UpdateTemplate-request-templateDescription"></a>
The description of the migration workflow template to update.  
Type: String  
Length Constraints: Minimum length of 0. Maximum length of 250.  
Pattern: `.*`   
Required: No

 ** [templateName](#API_UpdateTemplate_RequestSyntax) **   <a name="migrationhuborchestrator-UpdateTemplate-request-templateName"></a>
The name of the migration workflow template to update.  
Type: String  
Length Constraints: Minimum length of 1. Maximum length of 128.  
Pattern: `[ a-zA-Z0-9]*`   
Required: No

## Response Syntax


```
HTTP/1.1 200
Content-type: application/json

{
   "tags": { 
      "string" : "string" 
   },
   "templateArn": "string",
   "templateId": "string"
}
```

## Response Elements


If the action is successful, the service sends back an HTTP 200 response.

The following data is returned in JSON format by the service.

 ** [tags](#API_UpdateTemplate_ResponseSyntax) **   <a name="migrationhuborchestrator-UpdateTemplate-response-tags"></a>
The tags added to the migration workflow template.  
Type: String to string map  
Key Length Constraints: Minimum length of 1. Maximum length of 100.  
Key Pattern: `[a-zA-Z0-9-_ ()]+`   
Value Length Constraints: Minimum length of 0. Maximum length of 100.

 ** [templateArn](#API_UpdateTemplate_ResponseSyntax) **   <a name="migrationhuborchestrator-UpdateTemplate-response-templateArn"></a>
The ARN of the migration workflow template being updated. The format for an Migration Hub Orchestrator template ARN is `arn:aws:migrationhub-orchestrator:region:account:template/template-abcd1234`. For more information about ARNs, see [Amazon Resource Names (ARNs)](https://docs.aws.amazon.com/IAM/latest/UserGuide/reference-arns.html) in the *AWS General Reference*.  
Type: String

 ** [templateId](#API_UpdateTemplate_ResponseSyntax) **   <a name="migrationhuborchestrator-UpdateTemplate-response-templateId"></a>
The ID of the migration workflow template being updated.  
Type: String

## Errors


For information about the errors that are common to all actions, see [Common Error Types](CommonErrors.md).

 ** AccessDeniedException **   
You do not have sufficient access to perform this action.  
HTTP Status Code: 403

 ** InternalServerException **   
An internal error has occurred.  
HTTP Status Code: 500

 ** ResourceNotFoundException **   
The resource is not available.  
HTTP Status Code: 404

 ** ThrottlingException **   
The request was denied due to request throttling.  
HTTP Status Code: 429

 ** ValidationException **   
The input fails to satisfy the constraints specified by an AWS service.  
HTTP Status Code: 400

## See Also


For more information about using this API in one of the language-specific AWS SDKs, see the following:
+  [AWS Command Line Interface V2](https://docs.aws.amazon.com/goto/cli2/migrationhuborchestrator-2021-08-28/UpdateTemplate) 
+  [AWS SDK for .NET V4](https://docs.aws.amazon.com/goto/DotNetSDKV4/migrationhuborchestrator-2021-08-28/UpdateTemplate) 
+  [AWS SDK for C\$1\$1](https://docs.aws.amazon.com/goto/SdkForCpp/migrationhuborchestrator-2021-08-28/UpdateTemplate) 
+  [AWS SDK for Go v2](https://docs.aws.amazon.com/goto/SdkForGoV2/migrationhuborchestrator-2021-08-28/UpdateTemplate) 
+  [AWS SDK for Java V2](https://docs.aws.amazon.com/goto/SdkForJavaV2/migrationhuborchestrator-2021-08-28/UpdateTemplate) 
+  [AWS SDK for JavaScript V3](https://docs.aws.amazon.com/goto/SdkForJavaScriptV3/migrationhuborchestrator-2021-08-28/UpdateTemplate) 
+  [AWS SDK for Kotlin](https://docs.aws.amazon.com/goto/SdkForKotlin/migrationhuborchestrator-2021-08-28/UpdateTemplate) 
+  [AWS SDK for PHP V3](https://docs.aws.amazon.com/goto/SdkForPHPV3/migrationhuborchestrator-2021-08-28/UpdateTemplate) 
+  [AWS SDK for Python](https://docs.aws.amazon.com/goto/boto3/migrationhuborchestrator-2021-08-28/UpdateTemplate) 
+  [AWS SDK for Ruby V3](https://docs.aws.amazon.com/goto/SdkForRubyV3/migrationhuborchestrator-2021-08-28/UpdateTemplate)