Values.EventDetailsErrorItemSourceError information returned when a DescribeEventDetails operation can't find a specified event.
type nonrec t = {eventArn : EventArn.t option;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
*)errorName : String_.t option;The name of the error.
*)errorMessage : String_.t option;A message that describes the error.
*)}