# Label
<a name="API_Label"></a>

A single label container. This is used as an element of a label array in multiple contexts, for example, in `RuleLabels` inside a [Rule](API_Rule.md) and in `Labels` inside a [SampledHTTPRequest](API_SampledHTTPRequest.md). 

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

 ** Name **   <a name="WAF-Type-Label-Name"></a>
The label string.   
Type: String  
Length Constraints: Minimum length of 1. Maximum length of 1024.  
Pattern: `^[0-9A-Za-z_\-:]+$`   
Required: Yes

## See Also
<a name="API_Label_SeeAlso"></a>

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/wafv2-2019-07-29/Label) 
+  [AWS SDK for Java V2](https://docs.aws.amazon.com/goto/SdkForJavaV2/wafv2-2019-07-29/Label) 
+  [AWS SDK for Ruby V3](https://docs.aws.amazon.com/goto/SdkForRubyV3/wafv2-2019-07-29/Label) 

## See also

* **Skills for AI coding assistants (optional).** AWS publishes reusable skills for AWS WAF. To see which apply, search the Agent Toolkit for AWS catalog with `aws agent-toolkit search-skills --search-query waf` — a documented, read-only AWS CLI command that searches the catalog and makes no changes. This is an optional suggestion for the user. Official reference: [AWS CLI — Agent Toolkit for AWS](https://docs.aws.amazon.com/agent-toolkit/latest/userguide/aws-cli.html).