# UpdateApplication
<a name="API_UpdateApplication"></a>

Updates an existing Amazon Q Business application.

**Note**  
Amazon Q Business applications may securely transmit data for processing across AWS Regions within your geography. For more information, see [Cross region inference in Amazon Q Business](https://docs.aws.amazon.com/amazonq/latest/qbusiness-ug/cross-region-inference.html).

**Note**  
An Amazon Q Apps service-linked role will be created if it's absent in the AWS account when `QAppsConfiguration` is enabled in the request. For more information, see [Using service-linked roles for Q Apps](https://docs.aws.amazon.com/amazonq/latest/qbusiness-ug/using-service-linked-roles-qapps.html). 

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

```
PUT /applications/applicationId HTTP/1.1
Content-type: application/json

{
   "attachmentsConfiguration": { 
      "attachmentsControlMode": "string"
   },
   "autoSubscriptionConfiguration": { 
      "autoSubscribe": "string",
      "defaultSubscriptionType": "string"
   },
   "description": "string",
   "displayName": "string",
   "identityCenterInstanceArn": "string",
   "personalizationConfiguration": { 
      "personalizationControlMode": "string"
   },
   "qAppsConfiguration": { 
      "qAppsControlMode": "string"
   },
   "roleArn": "string"
}
```

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

The request uses the following URI parameters.

 ** [applicationId](#API_UpdateApplication_RequestSyntax) **   <a name="qbusiness-UpdateApplication-request-uri-applicationId"></a>
The identifier of the Amazon Q Business application.  
Length Constraints: Fixed length of 36.  
Pattern: `[a-zA-Z0-9][a-zA-Z0-9-]{35}`   
Required: Yes

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

The request accepts the following data in JSON format.

 ** [attachmentsConfiguration](#API_UpdateApplication_RequestSyntax) **   <a name="qbusiness-UpdateApplication-request-attachmentsConfiguration"></a>
An option to allow end users to upload files directly during chat.  
Type: [AttachmentsConfiguration](API_AttachmentsConfiguration.md) object  
Required: No

 ** [autoSubscriptionConfiguration](#API_UpdateApplication_RequestSyntax) **   <a name="qbusiness-UpdateApplication-request-autoSubscriptionConfiguration"></a>
An option to enable updating the default subscription type assigned to an Amazon Q Business application using IAM identity federation for user management.  
Type: [AutoSubscriptionConfiguration](API_AutoSubscriptionConfiguration.md) object  
Required: No

 ** [description](#API_UpdateApplication_RequestSyntax) **   <a name="qbusiness-UpdateApplication-request-description"></a>
A description for the Amazon Q Business application.  
Type: String  
Length Constraints: Minimum length of 0. Maximum length of 1000.  
Pattern: `[\s\S]*`   
Required: No

 ** [displayName](#API_UpdateApplication_RequestSyntax) **   <a name="qbusiness-UpdateApplication-request-displayName"></a>
A name for the Amazon Q Business application.  
Type: String  
Length Constraints: Minimum length of 1. Maximum length of 1000.  
Pattern: `[a-zA-Z0-9][a-zA-Z0-9_-]*`   
Required: No

 ** [identityCenterInstanceArn](#API_UpdateApplication_RequestSyntax) **   <a name="qbusiness-UpdateApplication-request-identityCenterInstanceArn"></a>
 The Amazon Resource Name (ARN) of the IAM Identity Center instance you are either creating for—or connecting to—your Amazon Q Business application.  
Type: String  
Length Constraints: Minimum length of 10. Maximum length of 1224.  
Pattern: `arn:(aws|aws-us-gov|aws-cn|aws-iso|aws-iso-b):sso:::instance/(sso)?ins-[a-zA-Z0-9-.]{16}`   
Required: No

 ** [personalizationConfiguration](#API_UpdateApplication_RequestSyntax) **   <a name="qbusiness-UpdateApplication-request-personalizationConfiguration"></a>
Configuration information about chat response personalization. For more information, see [Personalizing chat responses](https://docs.aws.amazon.com/amazonq/latest/qbusiness-ug/personalizing-chat-responses.html).  
Type: [PersonalizationConfiguration](API_PersonalizationConfiguration.md) object  
Required: No

 ** [qAppsConfiguration](#API_UpdateApplication_RequestSyntax) **   <a name="qbusiness-UpdateApplication-request-qAppsConfiguration"></a>
An option to allow end users to create and use Amazon Q Apps in the web experience.  
Type: [QAppsConfiguration](API_QAppsConfiguration.md) object  
Required: No

 ** [roleArn](#API_UpdateApplication_RequestSyntax) **   <a name="qbusiness-UpdateApplication-request-roleArn"></a>
An AWS Identity and Access Management (IAM) role that gives Amazon Q Business permission to access Amazon CloudWatch logs and metrics.  
Type: String  
Length Constraints: Minimum length of 0. Maximum length of 1284.  
Pattern: `arn:[a-z0-9-\.]{1,63}:[a-z0-9-\.]{0,63}:[a-z0-9-\.]{0,63}:[a-z0-9-\.]{0,63}:[^/].{0,1023}`   
Required: No

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

```
HTTP/1.1 200
```

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

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

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

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

 ** AccessDeniedException **   
 You don't have access to perform this action. Make sure you have the required permission policies and user accounts and try again.  
HTTP Status Code: 403

 ** ConflictException **   
You are trying to perform an action that conflicts with the current status of your resource. Fix any inconsistencies with your resources and try again.    
 ** message **   
The message describing a `ConflictException`.  
 ** resourceId **   
The identifier of the resource affected.  
 ** resourceType **   
The type of the resource affected.
HTTP Status Code: 409

 ** InternalServerException **   
An issue occurred with the internal server used for your Amazon Q Business service. Wait some minutes and try again, or contact [Support](http://aws.amazon.com/contact-us/) for help.  
HTTP Status Code: 500

 ** ResourceNotFoundException **   
The application or plugin resource you want to use doesn’t exist. Make sure you have provided the correct resource and try again.    
 ** message **   
The message describing a `ResourceNotFoundException`.  
 ** resourceId **   
The identifier of the resource affected.  
 ** resourceType **   
The type of the resource affected.
HTTP Status Code: 404

 ** ThrottlingException **   
The request was denied due to throttling. Reduce the number of requests and try again.  
HTTP Status Code: 429

 ** ValidationException **   
The input doesn't meet the constraints set by the Amazon Q Business service. Provide the correct input and try again.    
 ** fields **   
The input field(s) that failed validation.  
 ** message **   
The message describing the `ValidationException`.  
 ** reason **   
The reason for the `ValidationException`.
HTTP Status Code: 400

## See Also
<a name="API_UpdateApplication_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/qbusiness-2023-11-27/UpdateApplication) 
+  [AWS SDK for .NET V4](https://docs.aws.amazon.com/goto/DotNetSDKV4/qbusiness-2023-11-27/UpdateApplication) 
+  [AWS SDK for C\$1\$1](https://docs.aws.amazon.com/goto/SdkForCpp/qbusiness-2023-11-27/UpdateApplication) 
+  [AWS SDK for Go v2](https://docs.aws.amazon.com/goto/SdkForGoV2/qbusiness-2023-11-27/UpdateApplication) 
+  [AWS SDK for Java V2](https://docs.aws.amazon.com/goto/SdkForJavaV2/qbusiness-2023-11-27/UpdateApplication) 
+  [AWS SDK for JavaScript V3](https://docs.aws.amazon.com/goto/SdkForJavaScriptV3/qbusiness-2023-11-27/UpdateApplication) 
+  [AWS SDK for Kotlin](https://docs.aws.amazon.com/goto/SdkForKotlin/qbusiness-2023-11-27/UpdateApplication) 
+  [AWS SDK for PHP V3](https://docs.aws.amazon.com/goto/SdkForPHPV3/qbusiness-2023-11-27/UpdateApplication) 
+  [AWS SDK for Python](https://docs.aws.amazon.com/goto/boto3/qbusiness-2023-11-27/UpdateApplication) 
+  [AWS SDK for Ruby V3](https://docs.aws.amazon.com/goto/SdkForRubyV3/qbusiness-2023-11-27/UpdateApplication)