# AggregationSummary


Provides additional information about the aggregation key.

## Contents


 ** aggregatedAccounts **   <a name="Notifications-Type-AggregationSummary-aggregatedAccounts"></a>
Indicates the AWS accounts in the aggregation key.  
Type: [SummarizationDimensionOverview](API_SummarizationDimensionOverview.md) object  
Required: Yes

 ** aggregatedBy **   <a name="Notifications-Type-AggregationSummary-aggregatedBy"></a>
Indicates the criteria or rules by which notifications have been grouped together.  
Type: Array of [AggregationKey](API_AggregationKey.md) objects  
Required: Yes

 ** aggregatedRegions **   <a name="Notifications-Type-AggregationSummary-aggregatedRegions"></a>
Indicates the AWS Regions in the aggregation key.  
Type: [SummarizationDimensionOverview](API_SummarizationDimensionOverview.md) object  
Required: Yes

 ** eventCount **   <a name="Notifications-Type-AggregationSummary-eventCount"></a>
Indicates the number of events associated with the aggregation key.  
Type: Integer  
Required: Yes

 ** additionalSummarizationDimensions **   <a name="Notifications-Type-AggregationSummary-additionalSummarizationDimensions"></a>
List of additional dimensions used to group and summarize data.  
Type: Array of [SummarizationDimensionOverview](API_SummarizationDimensionOverview.md) objects  
Required: No

 ** aggregatedOrganizationalUnits **   <a name="Notifications-Type-AggregationSummary-aggregatedOrganizationalUnits"></a>
Indicates the collection of organizational units that are involved in the aggregation key.  
Type: [SummarizationDimensionOverview](API_SummarizationDimensionOverview.md) object  
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/notifications-2018-05-10/AggregationSummary) 
+  [AWS SDK for Java V2](https://docs.aws.amazon.com/goto/SdkForJavaV2/notifications-2018-05-10/AggregationSummary) 
+  [AWS SDK for Ruby V3](https://docs.aws.amazon.com/goto/SdkForRubyV3/notifications-2018-05-10/AggregationSummary)