# CustomAttribute
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Defines the X.500 relative distinguished name (RDN).

## Contents
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 ** ObjectIdentifier **   <a name="privateca-Type-CustomAttribute-ObjectIdentifier"></a>
Specifies the object identifier (OID) of the attribute type of the relative distinguished name (RDN).  
Type: String  
Length Constraints: Minimum length of 0. Maximum length of 64.  
Pattern: `([0-2])\.([0-9]|([0-3][0-9]))((\.([0-9]+)){0,126})`   
Required: Yes

 ** Value **   <a name="privateca-Type-CustomAttribute-Value"></a>
  
Specifies the attribute value of relative distinguished name (RDN).  
Type: String  
Length Constraints: Minimum length of 1. 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/CustomAttribute) 
+  [AWS SDK for Java V2](https://docs.aws.amazon.com/goto/SdkForJavaV2/acm-pca-2017-08-22/CustomAttribute) 
+  [AWS SDK for Ruby V3](https://docs.aws.amazon.com/goto/SdkForRubyV3/acm-pca-2017-08-22/CustomAttribute)