Log Group creation and subscription

additionalFuncResources.json

"Func01LogGroup": {
    "Type": "AWS::Logs::LogGroup",
    "Properties": {
        "LogGroupName": {
            "Fn::Sub": [
                "/aws/Lambda/${LambdaName}",
                {
                    "LambdaName": {
                        "Ref": "Func01Name"
                    }
                }
            ]
        }
    }
},
"Func01SubscriptionFilter": {
    "Type": "AWS::Logs::SubscriptionFilter",
    "Properties": {
        "LogGroupName": {
            "Ref": "Func01LogGroup"
        },
        "DestinationArn": {
            "Fn::GetAtt": [
                "ShippingLogsLambda",
                "Arn"
            ]
        },
        "FilterPattern": ""
    }
}