DATASOURCE::VPC::CustomerGateways

ROSTemplateFormatVersion: '2015-09-01'
Parameters:
  CustomerGatewayId:
    Description: The ID of the customer gateway.
    Type: String
Resources:
  ExtensionDataSource:
    Properties:
      CustomerGatewayId:
        Ref: CustomerGatewayId
    Type: DATASOURCE::VPC::CustomerGateways
Outputs:
  CustomerGatewayIds:
    Description: The list of customer gateway IDs.
    Value:
      Fn::GetAtt:
      - ExtensionDataSource
      - CustomerGatewayIds
  CustomerGateways:
    Description: The list of customer gateways.
    Value:
      Fn::GetAtt:
      - ExtensionDataSource
      - CustomerGateways

JSON format
{
  "ROSTemplateFormatVersion": "2015-09-01",
  "Parameters": {
    "CustomerGatewayId": {
      "Type": "String",
      "Description": "The ID of the customer gateway."
    }
  },
  "Resources": {
    "ExtensionDataSource": {
      "Type": "DATASOURCE::VPC::CustomerGateways",
      "Properties": {
        "CustomerGatewayId": {
          "Ref": "CustomerGatewayId"
        }
      }
    }
  },
  "Outputs": {
    "CustomerGateways": {
      "Description": "The list of customer gateways.",
      "Value": {
        "Fn::GetAtt": [
          "ExtensionDataSource",
          "CustomerGateways"
        ]
      }
    },
    "CustomerGatewayIds": {
      "Description": "The list of customer gateway IDs.",
      "Value": {
        "Fn::GetAtt": [
          "ExtensionDataSource",
          "CustomerGatewayIds"
        ]
      }
    }
  }
}