# InstanceTypeSpecificationRequest
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The instance type specification for an AMI, which contains lists of supported and unsupported instance types that define which instance types are compatible with the AMI.

## Contents
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 ** SupportedInstanceType.N **   
The instance types that the AMI supports. You can specify instance type names or use wildcard patterns (for example, `t3.*`).  
Constraints: Maximum 100 entries. Each entry must be 1-24 characters and match the pattern `^[A-Za-z0-9_.*-]+$`. Consecutive wildcard characters (`**`) are not allowed. Entries must be unique within each list and across both lists; duplicate entries cause the request to fail.  
Type: Array of strings  
Array Members: Minimum number of 0 items. Maximum number of 100 items.  
Length Constraints: Minimum length of 0. Maximum length of 24.  
Required: No

 ** UnsupportedInstanceType.N **   
The instance types that the AMI does not support. You can specify instance type names or use wildcard patterns (for example, `t3.*`).  
Constraints: Maximum 100 entries. Each entry must be 1-24 characters and match the pattern `^[A-Za-z0-9_.*-]+$`. Consecutive wildcard characters (`**`) are not allowed. Entries must be unique within each list and across both lists; duplicate entries cause the request to fail.  
Type: Array of strings  
Array Members: Minimum number of 0 items. Maximum number of 100 items.  
Length Constraints: Minimum length of 0. Maximum length of 24.  
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/InstanceTypeSpecificationRequest) 
+  [AWS SDK for Java V2](https://docs.aws.amazon.com/goto/SdkForJavaV2/ec2-2016-11-15/InstanceTypeSpecificationRequest) 
+  [AWS SDK for Ruby V3](https://docs.aws.amazon.com/goto/SdkForRubyV3/ec2-2016-11-15/InstanceTypeSpecificationRequest) 

## 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).