EntityAggregate - AWS Health
AWS services or capabilities described in AWS documentation might vary by Region. To see the differences applicable to the China Regions, see Getting Started with AWS services in China.


The number of entities that are affected by one or more events. Returned by the DescribeEntityAggregates operation.



The number of entities that match the criteria for the specified events.

Type: Integer

Required: No


The unique identifier for the event. The event ARN has the arn:aws:health:event-region::event/SERVICE/EVENT_TYPE_CODE/EVENT_TYPE_PLUS_ID format.

For example, an event ARN might look like the following:


Type: String

Length Constraints: Maximum length of 1600.

Pattern: arn:aws(-[a-z]+(-[a-z]+)?)?:health:[^:]*:[^:]*:event(?:/[\w-]+){3}

Required: No

See Also

For more information about using this API in one of the language-specific AWS SDKs, see the following: