# QueryString
<a name="API_QueryString"></a>

Inspect the query string of the web request. This is the part of a URL that appears after a `?` character, if any.

This is used in the [FieldToMatch](API_FieldToMatch.md) specification for some web request component types. 

JSON specification: `"QueryString": {}` 

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

The members of this exception structure are context-dependent.

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