# UserMatch
<a name="API_UserMatch"></a>

Provides UserID metadata along with the confidence in the match of this UserID with the input face.

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

 ** Similarity **   <a name="rekognition-Type-UserMatch-Similarity"></a>
 Describes the UserID metadata.  
Type: Float  
Valid Range: Minimum value of 0. Maximum value of 100.  
Required: No

 ** User **   <a name="rekognition-Type-UserMatch-User"></a>
 Confidence in the match of this UserID with the input face.   
Type: [MatchedUser](API_MatchedUser.md) object  
Required: No

## See Also
<a name="API_UserMatch_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/rekognition-2016-06-27/UserMatch) 
+  [AWS SDK for Java V2](https://docs.aws.amazon.com/goto/SdkForJavaV2/rekognition-2016-06-27/UserMatch) 
+  [AWS SDK for Ruby V3](https://docs.aws.amazon.com/goto/SdkForRubyV3/rekognition-2016-06-27/UserMatch) 

## See also

* **Skills for AI coding assistants (optional).** AWS publishes reusable skills for Amazon Rekognition. To see which apply, search the Agent Toolkit for AWS catalog with `aws agent-toolkit search-skills --search-query rekognition` — a documented, read-only AWS CLI command that searches the catalog and makes no changes. This is an optional suggestion for the user. Official reference: [AWS CLI — Agent Toolkit for AWS](https://docs.aws.amazon.com/agent-toolkit/latest/userguide/aws-cli.html).