serial_functions.js

serial_functions.json

{
    "application_id": "YOUR_APP_ID",
    "src": "http://www.librato.com",
    "src_type": "screen_shot_url",
    "functions": [
        {
            "name": "resize_to_fit",
            "params": {
                "width": 800
            },
            "save": {
                "image_identifier": "external_sample_1",
                "extension": "png"
            },
            "functions": [
                {
                    "name": "resize_to_fit",
                    "params": {
                        "width": 500
                    },
                    "save": {
                        "image_identifier": "external_sample_1",
                        "extension": "png"
                    }
                }
            ]
        }
    ]
}