# ReferenceSets
<a name="API_ReferenceSets"></a>

Contains a set of IP set references.

## Contents
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 ** IPSetReferences **   <a name="networkfirewall-Type-ReferenceSets-IPSetReferences"></a>
The list of IP set references.  
Type: String to [IPSetReference](API_IPSetReference.md) object map  
Key Length Constraints: Minimum length of 1. Maximum length of 32.  
Key Pattern: `^[A-Za-z][A-Za-z0-9_]*$`   
Required: No

## 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/network-firewall-2020-11-12/ReferenceSets) 
+  [AWS SDK for Java V2](https://docs.aws.amazon.com/goto/SdkForJavaV2/network-firewall-2020-11-12/ReferenceSets) 
+  [AWS SDK for Ruby V3](https://docs.aws.amazon.com/goto/SdkForRubyV3/network-firewall-2020-11-12/ReferenceSets)