# DomainValidationMethodUpdateSummary
<a name="API_DomainValidationMethodUpdateSummary"></a>

Contains information about a domain validation method migration, including the previous validation method and the target validation method.

## Contents
<a name="API_DomainValidationMethodUpdateSummary_Contents"></a>

**Note**  
In the following list, the required parameters are described first.

 ** From **   <a name="ACM-Type-DomainValidationMethodUpdateSummary-From"></a>
The validation method that the certificate was using before the update.  
Type: String  
Valid Values: `EMAIL | DNS | HTTP`   
Required: No

 ** To **   <a name="ACM-Type-DomainValidationMethodUpdateSummary-To"></a>
The target validation method for the update.  
Type: String  
Valid Values: `EMAIL | DNS | HTTP`   
Required: No

## See Also
<a name="API_DomainValidationMethodUpdateSummary_SeeAlso"></a>

For more information about using this API in one of the language-specific AWS SDKs, see the following:
+  [AWS SDK for C\+\+](https://docs.aws.amazon.com/goto/SdkForCpp/acm-2015-12-08/DomainValidationMethodUpdateSummary) 
+  [AWS SDK for Java V2](https://docs.aws.amazon.com/goto/SdkForJavaV2/acm-2015-12-08/DomainValidationMethodUpdateSummary) 
+  [AWS SDK for Ruby V3](https://docs.aws.amazon.com/goto/SdkForRubyV3/acm-2015-12-08/DomainValidationMethodUpdateSummary)