# ExtensionSummary


Information about an extension. Call `GetExtension` to get more information about an extension.

## Contents


 ** Arn **   <a name="appconfig-Type-ExtensionSummary-Arn"></a>
The system-generated Amazon Resource Name (ARN) for the extension.  
Type: String  
Length Constraints: Minimum length of 20. Maximum length of 2048.  
Pattern: `arn:(aws[a-zA-Z-]*)?:[a-z]+:((eusc-)?[a-z]{2}((-gov)|(-iso([a-z]?)))?-[a-z]+-\d{1})?:(\d{12})?:[a-zA-Z0-9-_/:.]+`   
Required: No

 ** Description **   <a name="appconfig-Type-ExtensionSummary-Description"></a>
Information about the extension.  
Type: String  
Length Constraints: Minimum length of 0. Maximum length of 1024.  
Required: No

 ** Id **   <a name="appconfig-Type-ExtensionSummary-Id"></a>
The system-generated ID of the extension.  
Type: String  
Pattern: `[a-z0-9]{4,7}`   
Required: No

 ** Name **   <a name="appconfig-Type-ExtensionSummary-Name"></a>
The extension name.  
Type: String  
Length Constraints: Minimum length of 1. Maximum length of 64.  
Required: No

 ** VersionNumber **   <a name="appconfig-Type-ExtensionSummary-VersionNumber"></a>
The extension version number.  
Type: Integer  
Required: No

## See Also


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/appconfig-2019-10-09/ExtensionSummary) 
+  [AWS SDK for Java V2](https://docs.aws.amazon.com/goto/SdkForJavaV2/appconfig-2019-10-09/ExtensionSummary) 
+  [AWS SDK for Ruby V3](https://docs.aws.amazon.com/goto/SdkForRubyV3/appconfig-2019-10-09/ExtensionSummary)