# CapacityReservationSpecification
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Specifies capacity reservation preferences.

## Contents
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 ** CapacityReservationPreference **   <a name="workspacesinstances-Type-CapacityReservationSpecification-CapacityReservationPreference"></a>
Preference for using capacity reservation.  
Type: String  
Valid Values: `capacity-reservations-only | open | none`   
Required: No

 ** CapacityReservationTarget **   <a name="workspacesinstances-Type-CapacityReservationSpecification-CapacityReservationTarget"></a>
Specific capacity reservation target.  
Type: [CapacityReservationTarget](API_CapacityReservationTarget.md) object  
Required: No

## See Also
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For more information about using this API in one of the language-specific AWS SDKs, see the following:
+  [AWS SDK for C\$1\$1](https://docs.aws.amazon.com/goto/SdkForCpp/workspaces-instances-2022-07-26/CapacityReservationSpecification) 
+  [AWS SDK for Java V2](https://docs.aws.amazon.com/goto/SdkForJavaV2/workspaces-instances-2022-07-26/CapacityReservationSpecification) 
+  [AWS SDK for Ruby V3](https://docs.aws.amazon.com/goto/SdkForRubyV3/workspaces-instances-2022-07-26/CapacityReservationSpecification)