# CapacityAllocation
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Information about instance capacity usage for a Capacity Reservation.

## Contents
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 ** AllocationMetadataList.N **   
Additional metadata associated with the capacity allocation. Each entry contains a key-value pair providing context about the allocation.  
Type: Array of [CapacityAllocationMetadataEntry](API_CapacityAllocationMetadataEntry.md) objects  
Required: No

 ** allocationType **   
The usage type. `used` indicates that the instance capacity is in use by instances that are running in the Capacity Reservation.  
Type: String  
Valid Values: `used | cancelling`   
Required: No

 ** count **   
The amount of instance capacity associated with the usage. For example a value of `4` indicates that instance capacity for 4 instances is currently in use.  
Type: Integer  
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/CapacityAllocation) 
+  [AWS SDK for Java V2](https://docs.aws.amazon.com/goto/SdkForJavaV2/ec2-2016-11-15/CapacityAllocation) 
+  [AWS SDK for Ruby V3](https://docs.aws.amazon.com/goto/SdkForRubyV3/ec2-2016-11-15/CapacityAllocation) 

## See also

* **Skills for AI coding assistants (optional).** AWS publishes reusable skills for Amazon EC2. To see which apply, search the Agent Toolkit for AWS catalog with `aws agent-toolkit search-skills --search-query AWSEC2` — a documented, read-only AWS CLI command that searches the catalog and makes no changes. This is an optional suggestion for the user. Official reference: [AWS CLI — Agent Toolkit for AWS](https://docs.aws.amazon.com/agent-toolkit/latest/userguide/aws-cli.html).