# CollectionGroupSummary


Summary information about a collection group.

## Contents


 ** arn **   <a name="opensearchserverless-Type-CollectionGroupSummary-arn"></a>
The Amazon Resource Name (ARN) of the collection group.  
Type: String  
Required: No

 ** capacityLimits **   <a name="opensearchserverless-Type-CollectionGroupSummary-capacityLimits"></a>
Capacity limits for a collection group. These limits define the minimum and maximum OpenSearch Compute Units (OCUs) for indexing and search operations that can be used by collections in the group.  
Type: [CollectionGroupCapacityLimits](API_CollectionGroupCapacityLimits.md) object  
Required: No

 ** createdDate **   <a name="opensearchserverless-Type-CollectionGroupSummary-createdDate"></a>
The Epoch time when the collection group was created.  
Type: Long  
Required: No

 ** id **   <a name="opensearchserverless-Type-CollectionGroupSummary-id"></a>
The unique identifier of the collection group.  
Type: String  
Length Constraints: Minimum length of 3. Maximum length of 40.  
Pattern: `[a-z0-9]{3,40}`   
Required: No

 ** name **   <a name="opensearchserverless-Type-CollectionGroupSummary-name"></a>
The name of the collection group.  
Type: String  
Length Constraints: Minimum length of 3. Maximum length of 32.  
Pattern: `[a-z][a-z0-9-]+`   
Required: No

 ** numberOfCollections **   <a name="opensearchserverless-Type-CollectionGroupSummary-numberOfCollections"></a>
The number of collections within the collection group.  
Type: Integer  
Required: No

## See Also


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/opensearchserverless-2021-11-01/CollectionGroupSummary) 
+  [AWS SDK for Java V2](https://docs.aws.amazon.com/goto/SdkForJavaV2/opensearchserverless-2021-11-01/CollectionGroupSummary) 
+  [AWS SDK for Ruby V3](https://docs.aws.amazon.com/goto/SdkForRubyV3/opensearchserverless-2021-11-01/CollectionGroupSummary)