# SubmitAttachmentStateChanges


**Note**  
This action is only used by the Amazon ECS agent, and it is not intended for use outside of the agent.

Sent to acknowledge that an attachment changed states.

## Request Syntax


```
{
   "attachments": [ 
      { 
         "attachmentArn": "string",
         "status": "string"
      }
   ],
   "cluster": "string"
}
```

## Request Parameters


For information about the parameters that are common to all actions, see [Common Parameters](CommonParameters.md).

The request accepts the following data in JSON format.

 ** [attachments](#API_SubmitAttachmentStateChanges_RequestSyntax) **   <a name="ECS-SubmitAttachmentStateChanges-request-attachments"></a>
Any attachments associated with the state change request.  
Type: Array of [AttachmentStateChange](API_AttachmentStateChange.md) objects  
Required: Yes

 ** [cluster](#API_SubmitAttachmentStateChanges_RequestSyntax) **   <a name="ECS-SubmitAttachmentStateChanges-request-cluster"></a>
The short name or full ARN of the cluster that hosts the container instance the attachment belongs to.  
Type: String  
Required: No

## Response Syntax


```
{
   "acknowledgment": "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.

 ** [acknowledgment](#API_SubmitAttachmentStateChanges_ResponseSyntax) **   <a name="ECS-SubmitAttachmentStateChanges-response-acknowledgment"></a>
Acknowledgement of the state change.  
Type: String

## Errors


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

 ** AccessDeniedException **   
You don't have authorization to perform the requested action.    
 ** message **   
 Message that describes the cause of the exception.
HTTP Status Code: 400

 ** ClientException **   
These errors are usually caused by a client action. This client action might be using an action or resource on behalf of a user that doesn't have permissions to use the action or resource. Or, it might be specifying an identifier that isn't valid.    
 ** message **   
 Message that describes the cause of the exception.
HTTP Status Code: 400

 ** InvalidParameterException **   
The specified parameter isn't valid. Review the available parameters for the API request.  
For more information about service event errors, see [Amazon ECS service event messages](https://docs.aws.amazon.com/AmazonECS/latest/developerguide/service-event-messages-list.html).     
 ** message **   
 Message that describes the cause of the exception.
HTTP Status Code: 400

 ** ServerException **   
These errors are usually caused by a server issue.    
 ** message **   
 Message that describes the cause of the exception.
HTTP Status Code: 500

## 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/ecs-2014-11-13/SubmitAttachmentStateChanges) 
+  [AWS SDK for .NET V4](https://docs.aws.amazon.com/goto/DotNetSDKV4/ecs-2014-11-13/SubmitAttachmentStateChanges) 
+  [AWS SDK for C\$1\$1](https://docs.aws.amazon.com/goto/SdkForCpp/ecs-2014-11-13/SubmitAttachmentStateChanges) 
+  [AWS SDK for Go v2](https://docs.aws.amazon.com/goto/SdkForGoV2/ecs-2014-11-13/SubmitAttachmentStateChanges) 
+  [AWS SDK for Java V2](https://docs.aws.amazon.com/goto/SdkForJavaV2/ecs-2014-11-13/SubmitAttachmentStateChanges) 
+  [AWS SDK for JavaScript V3](https://docs.aws.amazon.com/goto/SdkForJavaScriptV3/ecs-2014-11-13/SubmitAttachmentStateChanges) 
+  [AWS SDK for Kotlin](https://docs.aws.amazon.com/goto/SdkForKotlin/ecs-2014-11-13/SubmitAttachmentStateChanges) 
+  [AWS SDK for PHP V3](https://docs.aws.amazon.com/goto/SdkForPHPV3/ecs-2014-11-13/SubmitAttachmentStateChanges) 
+  [AWS SDK for Python](https://docs.aws.amazon.com/goto/boto3/ecs-2014-11-13/SubmitAttachmentStateChanges) 
+  [AWS SDK for Ruby V3](https://docs.aws.amazon.com/goto/SdkForRubyV3/ecs-2014-11-13/SubmitAttachmentStateChanges)