# AccessControlAttributeValue
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The value used for mapping a specified attribute to an identity source. For more information, see [Attribute mappings](https://docs.aws.amazon.com/singlesignon/latest/userguide/attributemappingsconcept.html) in the *IAM Identity Center User Guide*.

## Contents
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 ** Source **   <a name="singlesignon-Type-AccessControlAttributeValue-Source"></a>
The identity source to use when mapping a specified attribute to IAM Identity Center.  
Type: Array of strings  
Array Members: Fixed number of 1 item.  
Length Constraints: Minimum length of 0. Maximum length of 256.  
Pattern: `[\p{L}\p{Z}\p{N}_.:\/=+\-@\[\]\{\}\$\\"]*`   
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/sso-admin-2020-07-20/AccessControlAttributeValue) 
+  [AWS SDK for Java V2](https://docs.aws.amazon.com/goto/SdkForJavaV2/sso-admin-2020-07-20/AccessControlAttributeValue) 
+  [AWS SDK for Ruby V3](https://docs.aws.amazon.com/goto/SdkForRubyV3/sso-admin-2020-07-20/AccessControlAttributeValue)