# LaunchTemplateSpecification


Describes the launch template to use.

## Contents


 ** LaunchTemplateId **   
The ID of the launch template.  
You must specify either the launch template ID or the launch template name, but not both.  
Type: String  
Required: No

 ** LaunchTemplateName **   
The name of the launch template.  
You must specify either the launch template ID or the launch template name, but not both.  
Type: String  
Required: No

 ** Version **   
The launch template version number, `$Latest`, or `$Default`.  
A value of `$Latest` uses the latest version of the launch template.  
A value of `$Default` uses the default version of the launch template.  
Default: The default version of the launch template.  
Type: String  
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/ec2-2016-11-15/LaunchTemplateSpecification) 
+  [AWS SDK for Java V2](https://docs.aws.amazon.com/goto/SdkForJavaV2/ec2-2016-11-15/LaunchTemplateSpecification) 
+  [AWS SDK for Ruby V3](https://docs.aws.amazon.com/goto/SdkForRubyV3/ec2-2016-11-15/LaunchTemplateSpecification)