{

"ResourceSpecificationVersion": "1.0.0",
"ResourceType": {
  "AWS::EC2::NatGateway": {
    "Documentation": "http://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/aws-resource-ec2-natgateway.html",
    "Properties": {
      "AllocationId": {
        "Documentation": "http://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/aws-resource-ec2-natgateway.html#cfn-ec2-natgateway-allocationid",
        "PrimitiveType": "String",
        "Required": true,
        "UpdateType": "Immutable"
      },
      "SubnetId": {
        "Documentation": "http://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/aws-resource-ec2-natgateway.html#cfn-ec2-natgateway-subnetid",
        "PrimitiveType": "String",
        "Required": true,
        "UpdateType": "Immutable"
      }
    }
  }
}

}