curl --location --request POST '/' \
--header 'X-Amz-Target;' \
--header 'Content-Type: application/json' \
--data-raw '{
    "ConfigurationAggregatorName": "string",
    "Filters": {
        "ResourceType": "AWS::EC2::CustomerGateway",
        "AccountId": "string",
        "Region": "string"
    },
    "GroupByKey": "RESOURCE_TYPE",
    "Limit": 0,
    "NextToken": "string"
}'{
    "TotalDiscoveredResources": 0,
    "GroupByKey": "string",
    "GroupedResourceCounts": [],
    "NextToken": "string"
}