# TagKeys
<a name="API_TagKeys"></a>

A complex type that contains zero or more `Tag` elements.

## Contents
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 ** Items **   <a name="cloudfront-Type-TagKeys-Items"></a>
A complex type that contains `Tag` key elements.  
Type: Array of strings  
Length Constraints: Minimum length of 1. Maximum length of 128.  
Pattern: `([\p{L}\p{Z}\p{N}_.:/=+\-@]*)`   
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\+\+](https://docs.aws.amazon.com/goto/SdkForCpp/cloudfront-2020-05-31/TagKeys) 
+  [AWS SDK for Java V2](https://docs.aws.amazon.com/goto/SdkForJavaV2/cloudfront-2020-05-31/TagKeys) 
+  [AWS SDK for Ruby V3](https://docs.aws.amazon.com/goto/SdkForRubyV3/cloudfront-2020-05-31/TagKeys)