# Substring
<a name="API_Substring"></a>

A reference to a substring of a literal string in a JSON document.

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

 ** length **   <a name="accessanalyzer-Type-Substring-length"></a>
The length of the substring.  
Type: Integer  
Required: Yes

 ** start **   <a name="accessanalyzer-Type-Substring-start"></a>
The start index of the substring, starting from 0.  
Type: Integer  
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/accessanalyzer-2019-11-01/Substring) 
+  [AWS SDK for Java V2](https://docs.aws.amazon.com/goto/SdkForJavaV2/accessanalyzer-2019-11-01/Substring) 
+  [AWS SDK for Ruby V3](https://docs.aws.amazon.com/goto/SdkForRubyV3/accessanalyzer-2019-11-01/Substring)