# NatGatewayAttachedAppliance


Information about an appliance attached to a NAT Gateway, providing managed security solutions for traffic filtering and inspection.

## Contents


 ** applianceArn **   
The Amazon Resource Name (ARN) of the attached appliance, identifying the specific proxy or security appliance resource.  
Type: String  
Required: No

 ** attachmentState **   
The current attachment state of the appliance.  
Type: String  
Valid Values: `attaching | attached | detaching | detached | attach-failed | detach-failed`   
Required: No

 ** failureCode **   
The failure code if the appliance attachment or modification operation failed.  
Type: String  
Required: No

 ** failureMessage **   
A descriptive message explaining the failure if the appliance attachment or modification operation failed.  
Type: String  
Required: No

 ** modificationState **   
The current modification state of the appliance.  
Type: String  
Valid Values: `modifying | completed | failed`   
Required: No

 ** type **   
The type of appliance attached to the NAT Gateway. For network firewall proxy functionality, this will be "network-firewall-proxy".  
Type: String  
Valid Values: `network-firewall-proxy`   
Required: No

 ** vpcEndpointId **   
The VPC endpoint ID used to route traffic from application VPCs to the proxy for inspection and filtering.  
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/NatGatewayAttachedAppliance) 
+  [AWS SDK for Java V2](https://docs.aws.amazon.com/goto/SdkForJavaV2/ec2-2016-11-15/NatGatewayAttachedAppliance) 
+  [AWS SDK for Ruby V3](https://docs.aws.amazon.com/goto/SdkForRubyV3/ec2-2016-11-15/NatGatewayAttachedAppliance)