# UserIdentity
<a name="API_UserIdentity"></a>

Contains information for a user identity in an access policy.

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

 ** id **   <a name="iotsitewise-Type-UserIdentity-id"></a>
The IAM Identity Center ID of the user.  
Type: String  
Length Constraints: Minimum length of 1. Maximum length of 256.  
Pattern: `\S+`   
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/iotsitewise-2019-12-02/UserIdentity) 
+  [AWS SDK for Java V2](https://docs.aws.amazon.com/goto/SdkForJavaV2/iotsitewise-2019-12-02/UserIdentity) 
+  [AWS SDK for Ruby V3](https://docs.aws.amazon.com/goto/SdkForRubyV3/iotsitewise-2019-12-02/UserIdentity)