{ "$schema": "https://json-schema.org/draft/2020-12/schema", "$id": "https://raw.githubusercontent.com/api-evangelist/amazon-health-dashboard/refs/heads/main/json-schema/health-entity-aggregate-schema.json", "title": "EntityAggregate", "description": "The number of entities that are affected by one or more events. Returned by the DescribeEntityAggregates operation.", "type": "object", "properties": { "eventArn": { "allOf": [ { "$ref": "#/components/schemas/eventArn" }, { "description": "

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:

arn:aws:health:us-east-1::event/EC2/EC2_INSTANCE_RETIREMENT_SCHEDULED/EC2_INSTANCE_RETIREMENT_SCHEDULED_ABC123-DEF456

" } ] }, "count": { "allOf": [ { "$ref": "#/components/schemas/count" }, { "description": "The number of entities that match the criteria for the specified events." } ] } } }