# GroupingIdentifier
<a name="API_GroupingIdentifier"></a>

A key-value pair that identifies how log groups are grouped in aggregate summaries.

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

 ** key **   <a name="CWL-Type-GroupingIdentifier-key"></a>
The key that identifies the grouping characteristic. The format of the key uses dot notation. Examples are, `dataSource.Name`, `dataSource.Type`, and `dataSource.Format`.  
Type: String  
Required: No

 ** value **   <a name="CWL-Type-GroupingIdentifier-value"></a>
The value associated with the grouping characteristic. Examples are `amazon_vpc`, `flow`, and `OCSF`.  
Type: String  
Required: No

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

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/logs-2014-03-28/GroupingIdentifier) 
+  [AWS SDK for Java V2](https://docs.aws.amazon.com/goto/SdkForJavaV2/logs-2014-03-28/GroupingIdentifier) 
+  [AWS SDK for Ruby V3](https://docs.aws.amazon.com/goto/SdkForRubyV3/logs-2014-03-28/GroupingIdentifier)