# GetGroupsForCapacityReservation
<a name="API_GetGroupsForCapacityReservation"></a>

Lists the resource groups to which a Capacity Reservation has been added.

## Request Parameters
<a name="API_GetGroupsForCapacityReservation_RequestParameters"></a>

The following parameters are for this specific action. For more information about required and optional parameters that are common to all actions, see [Common Query Parameters](CommonParameters.md).

 **CapacityReservationId**   
The ID of the Capacity Reservation. If you specify a Capacity Reservation that is shared with you, the operation returns only Capacity Reservation groups that you own.  
Type: String  
Required: Yes

 **DryRun**   
Checks whether you have the required permissions for the action, without actually making the request, and provides an error response. If you have the required permissions, the error response is `DryRunOperation`. Otherwise, it is `UnauthorizedOperation`.  
Type: Boolean  
Required: No

 **MaxResults**   
The maximum number of items to return for this request. To get the next page of items, make another request with the token returned in the output. For more information, see [Pagination](https://docs.amazonaws.cn/AWSEC2/latest/APIReference/Query-Requests.html#api-pagination).  
Type: Integer  
Valid Range: Minimum value of 1. Maximum value of 1000.  
Required: No

 **NextToken**   
The token to use to retrieve the next page of results.  
Type: String  
Required: No

## Response Elements
<a name="API_GetGroupsForCapacityReservation_ResponseElements"></a>

The following elements are returned by the service.

 **capacityReservationGroupSet**   
Information about the resource groups to which the Capacity Reservation has been added.  
Type: Array of [CapacityReservationGroup](API_CapacityReservationGroup.md) objects

 **nextToken**   
The token to use to retrieve the next page of results. This value is `null` when there are no more results to return.  
Type: String

 **requestId**   
The ID of the request.  
Type: String

## Errors
<a name="API_GetGroupsForCapacityReservation_Errors"></a>

For information about the errors that are common to all actions, see [Common client error codes](errors-overview.md#CommonErrors).

## See Also
<a name="API_GetGroupsForCapacityReservation_SeeAlso"></a>

For more information about using this API in one of the language-specific Amazon SDKs, see the following:
+  [Amazon Command Line Interface V2](https://docs.amazonaws.cn/goto/cli2/ec2-2016-11-15/GetGroupsForCapacityReservation) 
+  [Amazon SDK for .NET V4](https://docs.amazonaws.cn/goto/DotNetSDKV4/ec2-2016-11-15/GetGroupsForCapacityReservation) 
+  [Amazon SDK for C\$1\$1](https://docs.amazonaws.cn/goto/SdkForCpp/ec2-2016-11-15/GetGroupsForCapacityReservation) 
+  [Amazon SDK for Go v2](https://docs.amazonaws.cn/goto/SdkForGoV2/ec2-2016-11-15/GetGroupsForCapacityReservation) 
+  [Amazon SDK for Java V2](https://docs.amazonaws.cn/goto/SdkForJavaV2/ec2-2016-11-15/GetGroupsForCapacityReservation) 
+  [Amazon SDK for JavaScript V3](https://docs.amazonaws.cn/goto/SdkForJavaScriptV3/ec2-2016-11-15/GetGroupsForCapacityReservation) 
+  [Amazon SDK for Kotlin](https://docs.amazonaws.cn/goto/SdkForKotlin/ec2-2016-11-15/GetGroupsForCapacityReservation) 
+  [Amazon SDK for PHP V3](https://docs.amazonaws.cn/goto/SdkForPHPV3/ec2-2016-11-15/GetGroupsForCapacityReservation) 
+  [Amazon SDK for Python](https://docs.amazonaws.cn/goto/boto3/ec2-2016-11-15/GetGroupsForCapacityReservation) 
+  [Amazon SDK for Ruby V3](https://docs.amazonaws.cn/goto/SdkForRubyV3/ec2-2016-11-15/GetGroupsForCapacityReservation)