EC2 > Structures > CapacityReservationTarget CapacityReservationTarget¶ Structure Class¶ CapacityReservationTarget dataclass ¶ Bases: _SerdeShape Describes a target Capacity Reservation or Capacity Reservation group. Attributes¶ capacity_reservation_id class-attribute instance-attribute ¶ capacity_reservation_id: str | None = ... The ID of the Capacity Reservation in which to run the instance. capacity_reservation_resource_group_arn class-attribute instance-attribute ¶ capacity_reservation_resource_group_arn: str | None = ... The ARN of the Capacity Reservation resource group in which to run the instance.