{
  "function": "format_number",
  "description": "Returns a number formatted with the locale separator for thousands. Also truncates the number to the number of supplied places.",
  "arguments": [ {"arg":"number","description":"number to be formatted"},
                 {"arg":"places","description":"integer representing the number of decimal places to truncate the string to."}],
  "examples": [ { "expression":"format_number(10000000.332,2)", "returns":"'10,000,000.33'"}
  ]
}