# NotifyApplicationState
<a name="API_NotifyApplicationState"></a>

Sets the migration state of an application. For a given application identified by the value passed to `ApplicationId`, its status is set or updated by passing one of three values to `Status`: `NOT_STARTED | IN_PROGRESS | COMPLETED`.

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

```
{
   "ApplicationId": "string",
   "DryRun": boolean,
   "Status": "string",
   "UpdateDateTime": number
}
```

## Request Parameters
<a name="API_NotifyApplicationState_RequestParameters"></a>

The request accepts the following data in JSON format.

 ** [ApplicationId](#API_NotifyApplicationState_RequestSyntax) **   <a name="migrationhub-NotifyApplicationState-request-ApplicationId"></a>
The configurationId in Application Discovery Service that uniquely identifies the grouped application.  
Type: String  
Length Constraints: Minimum length of 1. Maximum length of 1600.  
Pattern: `^.{1,1600}$`   
Required: Yes

 ** [DryRun](#API_NotifyApplicationState_RequestSyntax) **   <a name="migrationhub-NotifyApplicationState-request-DryRun"></a>
Optional boolean flag to indicate whether any effect should take place. Used to test if the caller has permission to make the call.  
Type: Boolean  
Required: No

 ** [Status](#API_NotifyApplicationState_RequestSyntax) **   <a name="migrationhub-NotifyApplicationState-request-Status"></a>
Status of the application - Not Started, In-Progress, Complete.  
Type: String  
Valid Values: `NOT_STARTED | IN_PROGRESS | COMPLETED`   
Required: Yes

 ** [UpdateDateTime](#API_NotifyApplicationState_RequestSyntax) **   <a name="migrationhub-NotifyApplicationState-request-UpdateDateTime"></a>
The timestamp when the application state changed.  
Type: Timestamp  
Required: No

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

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

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

 ** AccessDeniedException **   
You do not have sufficient access to perform this action.  
HTTP Status Code: 400

 ** DryRunOperation **   
Exception raised to indicate a successfully authorized action when the `DryRun` flag is set to "true".  
HTTP Status Code: 400

 ** HomeRegionNotSetException **   
The home region is not set. Set the home region to continue.  
HTTP Status Code: 400

 ** InternalServerError **   
Exception raised when an internal, configuration, or dependency error is encountered.  
HTTP Status Code: 500

 ** InvalidInputException **   
Exception raised when the provided input violates a policy constraint or is entered in the wrong format or data type.  
HTTP Status Code: 400

 ** PolicyErrorException **   
Exception raised when there are problems accessing Application Discovery Service (Application Discovery Service); most likely due to a misconfigured policy or the `migrationhub-discovery` role is missing or not configured correctly.  
HTTP Status Code: 400

 ** ResourceNotFoundException **   
Exception raised when the request references a resource (Application Discovery Service configuration, update stream, migration task, etc.) that does not exist in Application Discovery Service (Application Discovery Service) or in Migration Hub's repository.  
HTTP Status Code: 400

 ** ServiceUnavailableException **   
Exception raised when there is an internal, configuration, or dependency error encountered.  
HTTP Status Code: 500

 ** ThrottlingException **   
The request was denied due to request throttling.    
 ** Message **   
A message that provides information about the exception.  
 ** RetryAfterSeconds **   
The number of seconds the caller should wait before retrying.
HTTP Status Code: 400

 ** UnauthorizedOperation **   
Exception raised to indicate a request was not authorized when the `DryRun` flag is set to "true".  
HTTP Status Code: 400

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

### Notify the application state to Migration Hub
<a name="API_NotifyApplicationState_Example_1"></a>

The following example communicates the migration status to Migration Hub using the values passed to the required parameters `ApplicationId` and `Status`.

**注意**  
In this example, the `DryRun` parameter is used and set to "true" in order to show the output of the `DryRunOperation` when the user has appropriate permissions to run the command.

#### Sample Request
<a name="API_NotifyApplicationState_Example_1_Request"></a>

```
{
   "ApplicationId": "d-application-0039038d504694533",
   "Status": "IN_PROGRESS"
   "DryRun": true
}
```

#### Sample Response
<a name="API_NotifyApplicationState_Example_1_Response"></a>

```
An error occurred (DryRunOperation) when calling the NotifyApplicationState operation: Dry Run was a success!
$
```

## See Also
<a name="API_NotifyApplicationState_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/AWSMigrationHub-2017-05-31/NotifyApplicationState) 
+  [AWS SDK for .NET V4](https://docs.aws.amazon.com/goto/DotNetSDKV4/AWSMigrationHub-2017-05-31/NotifyApplicationState) 
+  [AWS SDK for C\$1\$1](https://docs.aws.amazon.com/goto/SdkForCpp/AWSMigrationHub-2017-05-31/NotifyApplicationState) 
+  [AWS SDK for Go v2](https://docs.aws.amazon.com/goto/SdkForGoV2/AWSMigrationHub-2017-05-31/NotifyApplicationState) 
+  [AWS SDK for Java V2](https://docs.aws.amazon.com/goto/SdkForJavaV2/AWSMigrationHub-2017-05-31/NotifyApplicationState) 
+  [AWS SDK for JavaScript V3](https://docs.aws.amazon.com/goto/SdkForJavaScriptV3/AWSMigrationHub-2017-05-31/NotifyApplicationState) 
+  [AWS SDK for Kotlin](https://docs.aws.amazon.com/goto/SdkForKotlin/AWSMigrationHub-2017-05-31/NotifyApplicationState) 
+  [AWS SDK for PHP V3](https://docs.aws.amazon.com/goto/SdkForPHPV3/AWSMigrationHub-2017-05-31/NotifyApplicationState) 
+  [AWS SDK for Python](https://docs.aws.amazon.com/goto/boto3/AWSMigrationHub-2017-05-31/NotifyApplicationState) 
+  [AWS SDK for Ruby V3](https://docs.aws.amazon.com/goto/SdkForRubyV3/AWSMigrationHub-2017-05-31/NotifyApplicationState)