# CreateWorkflowStepGroup
<a name="API_CreateWorkflowStepGroup"></a>

**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).

Create a step group in a migration workflow.

## Request Syntax
<a name="API_CreateWorkflowStepGroup_RequestSyntax"></a>

```
POST /workflowstepgroups HTTP/1.1
Content-type: application/json

{
   "description": "string",
   "name": "string",
   "next": [ "string" ],
   "previous": [ "string" ],
   "workflowId": "string"
}
```

## URI Request Parameters
<a name="API_CreateWorkflowStepGroup_RequestParameters"></a>

The request does not use any URI parameters.

## Request Body
<a name="API_CreateWorkflowStepGroup_RequestBody"></a>

The request accepts the following data in JSON format.

 ** [description](#API_CreateWorkflowStepGroup_RequestSyntax) **   <a name="migrationhuborchestrator-CreateWorkflowStepGroup-request-description"></a>
The description of the step group.  
Type: String  
Length Constraints: Minimum length of 0. Maximum length of 500.  
Pattern: `[-a-zA-Z0-9_.+, ]*`   
Required: No

 ** [name](#API_CreateWorkflowStepGroup_RequestSyntax) **   <a name="migrationhuborchestrator-CreateWorkflowStepGroup-request-name"></a>
The name of the step group.  
Type: String  
Length Constraints: Minimum length of 1. Maximum length of 100.  
Pattern: `[-a-zA-Z0-9_.+]+[-a-zA-Z0-9_.+ ]*`   
Required: Yes

 ** [next](#API_CreateWorkflowStepGroup_RequestSyntax) **   <a name="migrationhuborchestrator-CreateWorkflowStepGroup-request-next"></a>
The next step group.  
Type: Array of strings  
Length Constraints: Minimum length of 0. Maximum length of 500.  
Required: No

 ** [previous](#API_CreateWorkflowStepGroup_RequestSyntax) **   <a name="migrationhuborchestrator-CreateWorkflowStepGroup-request-previous"></a>
The previous step group.  
Type: Array of strings  
Length Constraints: Minimum length of 0. Maximum length of 500.  
Required: No

 ** [workflowId](#API_CreateWorkflowStepGroup_RequestSyntax) **   <a name="migrationhuborchestrator-CreateWorkflowStepGroup-request-workflowId"></a>
The ID of the migration workflow that will contain the step group.  
Type: String  
Length Constraints: Minimum length of 1. Maximum length of 100.  
Pattern: `[a-zA-Z0-9-]+`   
Required: Yes

## Response Syntax
<a name="API_CreateWorkflowStepGroup_ResponseSyntax"></a>

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

{
   "creationTime": number,
   "description": "string",
   "id": "string",
   "name": "string",
   "next": [ "string" ],
   "previous": [ "string" ],
   "tools": [ 
      { 
         "name": "string",
         "url": "string"
      }
   ],
   "workflowId": "string"
}
```

## Response Elements
<a name="API_CreateWorkflowStepGroup_ResponseElements"></a>

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

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

 ** [creationTime](#API_CreateWorkflowStepGroup_ResponseSyntax) **   <a name="migrationhuborchestrator-CreateWorkflowStepGroup-response-creationTime"></a>
The time at which the step group is created.  
Type: Timestamp

 ** [description](#API_CreateWorkflowStepGroup_ResponseSyntax) **   <a name="migrationhuborchestrator-CreateWorkflowStepGroup-response-description"></a>
The description of the step group.  
Type: String

 ** [id](#API_CreateWorkflowStepGroup_ResponseSyntax) **   <a name="migrationhuborchestrator-CreateWorkflowStepGroup-response-id"></a>
The ID of the step group.  
Type: String

 ** [name](#API_CreateWorkflowStepGroup_ResponseSyntax) **   <a name="migrationhuborchestrator-CreateWorkflowStepGroup-response-name"></a>
The name of the step group.  
Type: String

 ** [next](#API_CreateWorkflowStepGroup_ResponseSyntax) **   <a name="migrationhuborchestrator-CreateWorkflowStepGroup-response-next"></a>
The next step group.  
Type: Array of strings  
Length Constraints: Minimum length of 0. Maximum length of 500.

 ** [previous](#API_CreateWorkflowStepGroup_ResponseSyntax) **   <a name="migrationhuborchestrator-CreateWorkflowStepGroup-response-previous"></a>
The previous step group.  
Type: Array of strings  
Length Constraints: Minimum length of 0. Maximum length of 500.

 ** [tools](#API_CreateWorkflowStepGroup_ResponseSyntax) **   <a name="migrationhuborchestrator-CreateWorkflowStepGroup-response-tools"></a>
List of AWS services utilized in a migration workflow.  
Type: Array of [Tool](API_Tool.md) objects

 ** [workflowId](#API_CreateWorkflowStepGroup_ResponseSyntax) **   <a name="migrationhuborchestrator-CreateWorkflowStepGroup-response-workflowId"></a>
The ID of the migration workflow that contains the step group.  
Type: String

## Errors
<a name="API_CreateWorkflowStepGroup_Errors"></a>

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

 ** 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
<a name="API_CreateWorkflowStepGroup_SeeAlso"></a>

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/CreateWorkflowStepGroup) 
+  [AWS SDK for .NET V4](https://docs.aws.amazon.com/goto/DotNetSDKV4/migrationhuborchestrator-2021-08-28/CreateWorkflowStepGroup) 
+  [AWS SDK for C\$1\$1](https://docs.aws.amazon.com/goto/SdkForCpp/migrationhuborchestrator-2021-08-28/CreateWorkflowStepGroup) 
+  [AWS SDK for Go v2](https://docs.aws.amazon.com/goto/SdkForGoV2/migrationhuborchestrator-2021-08-28/CreateWorkflowStepGroup) 
+  [AWS SDK for Java V2](https://docs.aws.amazon.com/goto/SdkForJavaV2/migrationhuborchestrator-2021-08-28/CreateWorkflowStepGroup) 
+  [AWS SDK for JavaScript V3](https://docs.aws.amazon.com/goto/SdkForJavaScriptV3/migrationhuborchestrator-2021-08-28/CreateWorkflowStepGroup) 
+  [AWS SDK for Kotlin](https://docs.aws.amazon.com/goto/SdkForKotlin/migrationhuborchestrator-2021-08-28/CreateWorkflowStepGroup) 
+  [AWS SDK for PHP V3](https://docs.aws.amazon.com/goto/SdkForPHPV3/migrationhuborchestrator-2021-08-28/CreateWorkflowStepGroup) 
+  [AWS SDK for Python](https://docs.aws.amazon.com/goto/boto3/migrationhuborchestrator-2021-08-28/CreateWorkflowStepGroup) 
+  [AWS SDK for Ruby V3](https://docs.aws.amazon.com/goto/SdkForRubyV3/migrationhuborchestrator-2021-08-28/CreateWorkflowStepGroup)