# UserIdentifier
<a name="API_UserIdentifier"></a>

A structure that contains information to identify a user.

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

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

**Important**  
This data type is a UNION, so only one of the following members can be specified when used or returned.

 ** Email **   <a name="QS-Type-UserIdentifier-Email"></a>
The email address of the user that you want to get identity context for.  
Type: String  
Required: No

 ** UserArn **   <a name="QS-Type-UserIdentifier-UserArn"></a>
The Amazon Resource Name (ARN) of the user that you want to get identity context for.  
Type: String  
Required: No

 ** UserName **   <a name="QS-Type-UserIdentifier-UserName"></a>
The name of the user that you want to get identity context for.  
Type: String  
Required: No

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

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/quicksight-2018-04-01/UserIdentifier) 
+  [AWS SDK for Java V2](https://docs.aws.amazon.com/goto/SdkForJavaV2/quicksight-2018-04-01/UserIdentifier) 
+  [AWS SDK for Ruby V3](https://docs.aws.amazon.com/goto/SdkForRubyV3/quicksight-2018-04-01/UserIdentifier)