# FleetCapacityReservationTargetRequest
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Describes the target Capacity Reservations or Capacity Reservation Resource Groups for an EC2 Fleet that launches into reserved capacity. You can specify Capacity Reservation IDs or a Capacity Reservation Resource Group ARN, but not both.

## Contents
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 ** CapacityReservationId.N **   
The IDs of the Capacity Reservations in which to launch the instances.  
Type: Array of strings  
Required: No

 ** CapacityReservationResourceGroupArn.N **   
The ARNs of the Capacity Reservation Resource Groups in which to launch the instances.  
Type: Array of strings  
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\+\+](https://docs.aws.amazon.com/goto/SdkForCpp/ec2-2016-11-15/FleetCapacityReservationTargetRequest) 
+  [AWS SDK for Java V2](https://docs.aws.amazon.com/goto/SdkForJavaV2/ec2-2016-11-15/FleetCapacityReservationTargetRequest) 
+  [AWS SDK for Ruby V3](https://docs.aws.amazon.com/goto/SdkForRubyV3/ec2-2016-11-15/FleetCapacityReservationTargetRequest)