# PolicyReference
<a name="API_PolicyReference"></a>

A reference to a policy in a create or update request.

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

 ** policyIdentifier **   <a name="networksecuritymanager-Type-PolicyReference-policyIdentifier"></a>
The identifier of the policy. This is the policy's Amazon Resource Name (ARN), optionally version-qualified to pin a specific published version.  
Type: String  
Length Constraints: Minimum length of 1. Maximum length of 1010.  
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/network-security-manager-2025-10-30/PolicyReference) 
+  [AWS SDK for Java V2](https://docs.aws.amazon.com/goto/SdkForJavaV2/network-security-manager-2025-10-30/PolicyReference) 
+  [AWS SDK for Ruby V3](https://docs.aws.amazon.com/goto/SdkForRubyV3/network-security-manager-2025-10-30/PolicyReference)