# EnaSrdSpecificationRequest
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Launch instances with ENA Express settings configured from your launch template.

## Contents
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 ** EnaSrdEnabled ** (request), ** EnaSrdEnabled ** (response)  
Specifies whether ENA Express is enabled for the network interface when you launch an instance.  
Type: Boolean  
Required: No

 ** EnaSrdUdpSpecification ** (request), ** EnaSrdUdpSpecification ** (response)  
Contains ENA Express settings for UDP network traffic for the network interface attached to the instance.  
Type: [EnaSrdUdpSpecificationRequest](API_EnaSrdUdpSpecificationRequest.md) object  
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\$1\$1](https://docs.aws.amazon.com/goto/SdkForCpp/ec2-2016-11-15/EnaSrdSpecificationRequest) 
+  [AWS SDK for Java V2](https://docs.aws.amazon.com/goto/SdkForJavaV2/ec2-2016-11-15/EnaSrdSpecificationRequest) 
+  [AWS SDK for Ruby V3](https://docs.aws.amazon.com/goto/SdkForRubyV3/ec2-2016-11-15/EnaSrdSpecificationRequest)