# ExpressGatewayServiceNetworkConfiguration
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The network configuration for an Express service. By default, an Express service utilizes subnets and security groups associated with the default VPC.

## Contents
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 ** securityGroups **   <a name="ECS-Type-ExpressGatewayServiceNetworkConfiguration-securityGroups"></a>
The IDs of the security groups associated with the Express service.  
Type: Array of strings  
Required: No

 ** subnets **   <a name="ECS-Type-ExpressGatewayServiceNetworkConfiguration-subnets"></a>
The IDs of the subnets associated with the Express service.  
Type: Array of strings  
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/ecs-2014-11-13/ExpressGatewayServiceNetworkConfiguration) 
+  [AWS SDK for Java V2](https://docs.aws.amazon.com/goto/SdkForJavaV2/ecs-2014-11-13/ExpressGatewayServiceNetworkConfiguration) 
+  [AWS SDK for Ruby V3](https://docs.aws.amazon.com/goto/SdkForRubyV3/ecs-2014-11-13/ExpressGatewayServiceNetworkConfiguration)