greyscale2

greyscale2.json

{
    "application_id": "YOUR_APP_ID",
    "src": "http://cdn.blitline.com/filters/boys.jpeg",
    "functions": [
        {
            "name": "convert_command",
            "params": {
                "-set": "colorspace RGB",
                "-colorspace": "gray"
            },
            "functions": [
                {
                    "name": "no_op",
                    "save": {
                        "image_identifier": "breakfast_whiskey"
                    }
                }
            ]
        }
    ]
}