# Qualifier
<a name="API_Qualifier"></a>

Defines a `PolicyInformation` qualifier. AWS Private CA supports the [certification practice statement (CPS) qualifier](https://datatracker.ietf.org/doc/html/rfc5280#section-4.2.1.4) defined in RFC 5280. 

## Contents
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 ** CpsUri **   <a name="privateca-Type-Qualifier-CpsUri"></a>
Contains a pointer to a certification practice statement (CPS) published by the CA.  
Type: String  
Length Constraints: Minimum length of 0. Maximum length of 256.  
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/acm-pca-2017-08-22/Qualifier) 
+  [AWS SDK for Java V2](https://docs.aws.amazon.com/goto/SdkForJavaV2/acm-pca-2017-08-22/Qualifier) 
+  [AWS SDK for Ruby V3](https://docs.aws.amazon.com/goto/SdkForRubyV3/acm-pca-2017-08-22/Qualifier)