# UpdateReplicationSet
<a name="API_UpdateReplicationSet"></a>

**Important**  
 AWS Systems Manager Incident Manager is no longer open to new customers. Existing customers can continue to use the service as normal. For more information, see [AWS Systems Manager Incident Manager availability change](https://docs.aws.amazon.com/incident-manager/latest/userguide/incident-manager-availability-change.html).

Add or delete Regions from your replication set.

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

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

{
   "actions": [ 
      { ... }
   ],
   "arn": "string",
   "clientToken": "string"
}
```

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

The request does not use any URI parameters.

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

The request accepts the following data in JSON format.

 ** [actions](#API_UpdateReplicationSet_RequestSyntax) **   <a name="IncidentManager-UpdateReplicationSet-request-actions"></a>
An action to add or delete a Region.  
Type: Array of [UpdateReplicationSetAction](API_UpdateReplicationSetAction.md) objects  
Array Members: Fixed number of 1 item.  
Required: Yes

 ** [arn](#API_UpdateReplicationSet_RequestSyntax) **   <a name="IncidentManager-UpdateReplicationSet-request-arn"></a>
The Amazon Resource Name (ARN) of the replication set you're updating.  
Type: String  
Length Constraints: Minimum length of 0. Maximum length of 1000.  
Pattern: `arn:aws(-cn|-us-gov)?:[a-z0-9-]*:[a-z0-9-]*:([0-9]{12})?:.+`   
Required: Yes

 ** [clientToken](#API_UpdateReplicationSet_RequestSyntax) **   <a name="IncidentManager-UpdateReplicationSet-request-clientToken"></a>
A token that ensures that the operation is called only once with the specified details.  
Type: String  
Length Constraints: Minimum length of 0. Maximum length of 128.  
Required: No

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

```
HTTP/1.1 204
```

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

If the action is successful, the service sends back an HTTP 204 response with an empty HTTP body.

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

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

 ** AccessDeniedException **   
You don't have sufficient access to perform this operation.  
HTTP Status Code: 403

 ** ConflictException **   
Updating or deleting a resource causes an inconsistent state.  
HTTP Status Code: 409

 ** InternalServerException **   
The request processing has failed because of an unknown error, exception or failure.  
HTTP Status Code: 500

 ** ResourceNotFoundException **   
Request references a resource which doesn't exist.   
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

## Examples
<a name="API_UpdateReplicationSet_Examples"></a>

### Example
<a name="API_UpdateReplicationSet_Example_1"></a>

This example illustrates one usage of UpdateReplicationSet.

#### Sample Request
<a name="API_UpdateReplicationSet_Example_1_Request"></a>

```
POST /updateReplicationSet HTTP/1.1
Host: ssm-incidents.us-east-1.amazonaws.com
Accept-Encoding: identity
User-Agent: aws-cli/2.2.4 Python/3.8.8 Linux/5.4.129-72.229.amzn2int.x86_64 exe/x86_64.amzn.2 prompt/off command/ssm-incidents.update-replication-set
X-Amz-Date: 20210811T202020Z
Authorization: AWS4-HMAC-SHA256 Credential=AKIAIOSFODNN7EXAMPLE/20210811/us-east-1/ssm-incidents/aws4_request, SignedHeaders=host;x-amz-date, Signature=39c3b3042cd2aEXAMPLE
Content-Length: 220

{
	"actions": [
		{
			"deleteRegionAction": {
				"regionName": "us-east-2"
			}
		}
	], 
	"arn": "arn:aws:ssm-incidents::111122223333:replication-set/40bd98f0-4110-2dee-b35e-b87006f9e172", 
	"clientToken": "aa1b2cde-27e3-42ff-9cac-99380EXAMPLE"
}
```

#### Sample Response
<a name="API_UpdateReplicationSet_Example_1_Response"></a>

```
{}
```

## See Also
<a name="API_UpdateReplicationSet_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/ssm-incidents-2018-05-10/UpdateReplicationSet) 
+  [AWS SDK for .NET V4](https://docs.aws.amazon.com/goto/DotNetSDKV4/ssm-incidents-2018-05-10/UpdateReplicationSet) 
+  [AWS SDK for C\$1\$1](https://docs.aws.amazon.com/goto/SdkForCpp/ssm-incidents-2018-05-10/UpdateReplicationSet) 
+  [AWS SDK for Go v2](https://docs.aws.amazon.com/goto/SdkForGoV2/ssm-incidents-2018-05-10/UpdateReplicationSet) 
+  [AWS SDK for Java V2](https://docs.aws.amazon.com/goto/SdkForJavaV2/ssm-incidents-2018-05-10/UpdateReplicationSet) 
+  [AWS SDK for JavaScript V3](https://docs.aws.amazon.com/goto/SdkForJavaScriptV3/ssm-incidents-2018-05-10/UpdateReplicationSet) 
+  [AWS SDK for Kotlin](https://docs.aws.amazon.com/goto/SdkForKotlin/ssm-incidents-2018-05-10/UpdateReplicationSet) 
+  [AWS SDK for PHP V3](https://docs.aws.amazon.com/goto/SdkForPHPV3/ssm-incidents-2018-05-10/UpdateReplicationSet) 
+  [AWS SDK for Python](https://docs.aws.amazon.com/goto/boto3/ssm-incidents-2018-05-10/UpdateReplicationSet) 
+  [AWS SDK for Ruby V3](https://docs.aws.amazon.com/goto/SdkForRubyV3/ssm-incidents-2018-05-10/UpdateReplicationSet)