# ModifyVerifiedAccessInstance


Modifies the configuration of the specified Amazon Verified Access instance.

## Request Parameters


The following parameters are for this specific action. For more information about required and optional parameters that are common to all actions, see [Common Query Parameters](CommonParameters.md).

 **CidrEndpointsCustomSubDomain**   
The custom subdomain.  
Type: String  
Required: No

 **ClientToken**   
A unique, case-sensitive token that you provide to ensure idempotency of your modification request. For more information, see [Ensuring idempotency](https://docs.amazonaws.cn/ec2/latest/devguide/ec2-api-idempotency.html).  
Type: String  
Required: No

 **Description**   
A description for the Verified Access instance.  
Type: String  
Required: No

 **DryRun**   
Checks whether you have the required permissions for the action, without actually making the request, and provides an error response. If you have the required permissions, the error response is `DryRunOperation`. Otherwise, it is `UnauthorizedOperation`.  
Type: Boolean  
Required: No

 **VerifiedAccessInstanceId**   
The ID of the Verified Access instance.  
Type: String  
Required: Yes

## Response Elements


The following elements are returned by the service.

 **requestId**   
The ID of the request.  
Type: String

 **verifiedAccessInstance**   
Details about the Verified Access instance.  
Type: [VerifiedAccessInstance](API_VerifiedAccessInstance.md) object

## Errors


For information about the errors that are common to all actions, see [Common client error codes](errors-overview.md#CommonErrors).

## See Also


For more information about using this API in one of the language-specific Amazon SDKs, see the following:
+  [Amazon Command Line Interface V2](https://docs.amazonaws.cn/goto/cli2/ec2-2016-11-15/ModifyVerifiedAccessInstance) 
+  [Amazon SDK for .NET V4](https://docs.amazonaws.cn/goto/DotNetSDKV4/ec2-2016-11-15/ModifyVerifiedAccessInstance) 
+  [Amazon SDK for C\$1\$1](https://docs.amazonaws.cn/goto/SdkForCpp/ec2-2016-11-15/ModifyVerifiedAccessInstance) 
+  [Amazon SDK for Go v2](https://docs.amazonaws.cn/goto/SdkForGoV2/ec2-2016-11-15/ModifyVerifiedAccessInstance) 
+  [Amazon SDK for Java V2](https://docs.amazonaws.cn/goto/SdkForJavaV2/ec2-2016-11-15/ModifyVerifiedAccessInstance) 
+  [Amazon SDK for JavaScript V3](https://docs.amazonaws.cn/goto/SdkForJavaScriptV3/ec2-2016-11-15/ModifyVerifiedAccessInstance) 
+  [Amazon SDK for Kotlin](https://docs.amazonaws.cn/goto/SdkForKotlin/ec2-2016-11-15/ModifyVerifiedAccessInstance) 
+  [Amazon SDK for PHP V3](https://docs.amazonaws.cn/goto/SdkForPHPV3/ec2-2016-11-15/ModifyVerifiedAccessInstance) 
+  [Amazon SDK for Python](https://docs.amazonaws.cn/goto/boto3/ec2-2016-11-15/ModifyVerifiedAccessInstance) 
+  [Amazon SDK for Ruby V3](https://docs.amazonaws.cn/goto/SdkForRubyV3/ec2-2016-11-15/ModifyVerifiedAccessInstance)