:doc:`Instance <index>` / Attribute / capacity_reservation_specification

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capacity_reservation_specification
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.. py:attribute:: EC2.Instance.capacity_reservation_specification

  

  - *(dict) --* 

    Information about the Capacity Reservation targeting option.

    
    

    - **CapacityReservationPreference** *(string) --* 

      Describes the instance's Capacity Reservation preferences. Possible preferences include:

       

      
      * ``open`` - The instance can run in any ``open`` Capacity Reservation that has matching attributes (instance type, platform, Availability Zone).
       
      * ``none`` - The instance avoids running in a Capacity Reservation even if one is available. The instance runs in On-Demand capacity.
      

      
    

    - **CapacityReservationTarget** *(dict) --* 

      Information about the targeted Capacity Reservation or Capacity Reservation group.

      
      

      - **CapacityReservationId** *(string) --* 

        The ID of the targeted Capacity Reservation.

        
      

      - **CapacityReservationResourceGroupArn** *(string) --* 

        The ARN of the targeted Capacity Reservation group.

        
  
