# SearchedUser
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Contains metadata about a User searched for within a collection.

## Contents
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 ** UserId **   <a name="rekognition-Type-SearchedUser-UserId"></a>
 A provided ID for the UserID. Unique within the collection.   
Type: String  
Length Constraints: Minimum length of 1. Maximum length of 128.  
Pattern: `[a-zA-Z0-9_.\-:]+`   
Required: No

## See Also
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For more information about using this API in one of the language-specific AWS SDKs, see the following:
+  [AWS SDK for C\$1\$1](https://docs.aws.amazon.com/goto/SdkForCpp/rekognition-2016-06-27/SearchedUser) 
+  [AWS SDK for Java V2](https://docs.aws.amazon.com/goto/SdkForJavaV2/rekognition-2016-06-27/SearchedUser) 
+  [AWS SDK for Ruby V3](https://docs.aws.amazon.com/goto/SdkForRubyV3/rekognition-2016-06-27/SearchedUser)