# IdentityCenter
<a name="API_IdentityCenter"></a>

Specifies the IAM Identity Center instance to use as the identity source for an application.

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

 ** instanceArn **   <a name="accountaccess-Type-IdentityCenter-instanceArn"></a>
The ARN of the IAM Identity Center instance.  
Type: String  
Length Constraints: Minimum length of 10. Maximum length of 1224.  
Pattern: `arn:[a-z0-9-]+:sso:::instance/(sso)?ins-[a-zA-Z0-9-.]{16}`   
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\+\+](https://docs.aws.amazon.com/goto/SdkForCpp/account-access-2018-05-10/IdentityCenter) 
+  [AWS SDK for Java V2](https://docs.aws.amazon.com/goto/SdkForJavaV2/account-access-2018-05-10/IdentityCenter) 
+  [AWS SDK for Ruby V3](https://docs.aws.amazon.com/goto/SdkForRubyV3/account-access-2018-05-10/IdentityCenter)