# UpdateAppInstance
<a name="API_UpdateAppInstance"></a>

Updates `AppInstance` metadata.

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

```
PUT /app-instances/appInstanceArn HTTP/1.1
Content-type: application/json

{
   "Metadata": "string",
   "Name": "string"
}
```

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

The request uses the following URI parameters.

 ** [appInstanceArn](#API_UpdateAppInstance_RequestSyntax) **   <a name="chimesdk-UpdateAppInstance-request-uri-AppInstanceArn"></a>
The ARN of the `AppInstance`.  
Length Constraints: Minimum length of 5. Maximum length of 1600.  
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: Yes

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

The request accepts the following data in JSON format.

 ** [Metadata](#API_UpdateAppInstance_RequestSyntax) **   <a name="chimesdk-UpdateAppInstance-request-Metadata"></a>
The metadata that you want to change.  
Type: String  
Length Constraints: Minimum length of 0. Maximum length of 1024.  
Pattern: `.*`   
Required: Yes

 ** [Name](#API_UpdateAppInstance_RequestSyntax) **   <a name="chimesdk-UpdateAppInstance-request-Name"></a>
The name that you want to change.  
Type: String  
Length Constraints: Minimum length of 1. Maximum length of 256.  
Pattern: `[\u0009\u000A\u000D\u0020-\u007E\u0085\u00A0-\uD7FF\uE000-\uFFFD\u10000-\u10FFFF]*`   
Required: Yes

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

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

{
   "AppInstanceArn": "string"
}
```

## Response Elements
<a name="API_UpdateAppInstance_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.

 ** [AppInstanceArn](#API_UpdateAppInstance_ResponseSyntax) **   <a name="chimesdk-UpdateAppInstance-response-AppInstanceArn"></a>
The ARN of the `AppInstance`.  
Type: String  
Length Constraints: Minimum length of 5. Maximum length of 1600.  
Pattern: `arn:[a-z0-9-\.]{1,63}:[a-z0-9-\.]{0,63}:[a-z0-9-\.]{0,63}:[a-z0-9-\.]{0,63}:[^/].{0,1023}` 

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

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

 ** BadRequestException **   
The input parameters don't match the service's restrictions.  
HTTP Status Code: 400

 ** ConflictException **   
The request could not be processed because of conflict in the current state of the resource.  
HTTP Status Code: 409

 ** ForbiddenException **   
The client is permanently forbidden from making the request.  
HTTP Status Code: 403

 ** ServiceFailureException **   
The service encountered an unexpected error.  
HTTP Status Code: 500

 ** ServiceUnavailableException **   
The service is currently unavailable.  
HTTP Status Code: 503

 ** ThrottledClientException **   
The client exceeded its request rate limit.  
HTTP Status Code: 429

 ** UnauthorizedClientException **   
The client is not currently authorized to make the request.  
HTTP Status Code: 401

## See Also
<a name="API_UpdateAppInstance_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/chime-sdk-identity-2021-04-20/UpdateAppInstance) 
+  [AWS SDK for .NET V4](https://docs.aws.amazon.com/goto/DotNetSDKV4/chime-sdk-identity-2021-04-20/UpdateAppInstance) 
+  [AWS SDK for C\$1\$1](https://docs.aws.amazon.com/goto/SdkForCpp/chime-sdk-identity-2021-04-20/UpdateAppInstance) 
+  [AWS SDK for Go v2](https://docs.aws.amazon.com/goto/SdkForGoV2/chime-sdk-identity-2021-04-20/UpdateAppInstance) 
+  [AWS SDK for Java V2](https://docs.aws.amazon.com/goto/SdkForJavaV2/chime-sdk-identity-2021-04-20/UpdateAppInstance) 
+  [AWS SDK for JavaScript V3](https://docs.aws.amazon.com/goto/SdkForJavaScriptV3/chime-sdk-identity-2021-04-20/UpdateAppInstance) 
+  [AWS SDK for Kotlin](https://docs.aws.amazon.com/goto/SdkForKotlin/chime-sdk-identity-2021-04-20/UpdateAppInstance) 
+  [AWS SDK for PHP V3](https://docs.aws.amazon.com/goto/SdkForPHPV3/chime-sdk-identity-2021-04-20/UpdateAppInstance) 
+  [AWS SDK for Python](https://docs.aws.amazon.com/goto/boto3/chime-sdk-identity-2021-04-20/UpdateAppInstance) 
+  [AWS SDK for Ruby V3](https://docs.aws.amazon.com/goto/SdkForRubyV3/chime-sdk-identity-2021-04-20/UpdateAppInstance)