{
    "Resources": {
        "Func": {
            "Type": "AWS::Lambda::Function",
            "Properties": {
                "Code": {
                    "Rain::S3": {
                        "Path": ".",
                        "KeyProperty": "S3Key",
                        "BucketProperty": "S3Bucket"
                    }
                }
            }
        }
    }
}