# MemberUser
<a name="API_MemberUser"></a>

The users that belong to a group.

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

 ** UserId **   <a name="kendra-Type-MemberUser-UserId"></a>
The identifier of the user you want to map to a group.  
Type: String  
Length Constraints: Minimum length of 1. Maximum length of 1024.  
Pattern: `^\P{C}*$`   
Required: Yes

## 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/kendra-2019-02-03/MemberUser) 
+  [AWS SDK for Java V2](https://docs.aws.amazon.com/goto/SdkForJavaV2/kendra-2019-02-03/MemberUser) 
+  [AWS SDK for Ruby V3](https://docs.aws.amazon.com/goto/SdkForRubyV3/kendra-2019-02-03/MemberUser)