{
  "settings": {
    "cmdline": {
      "label": "Command line",
      "description": "The command should generate an image file to be displayed as the clock. `%output_file` will be replaced with the path to the output file. Then `%H`, `%M`, etc. will be replaced with the current time values. See `man strftime` for more formatting options."
    },
    "image_width": {
      "label": "Image width",
      "description": "The display width of the clock image in logical pixels. (Not the width of the generated image file.)"
    },
    "image_height": {
      "label": "Image height",
      "description": "The display height of the clock image in logical pixels. (Not the height of the generated image file.)"
    }
  }
}