{
  "name": "generate_series",
  "type": "function",
  "description": "Creates an array containing a sequence of numbers.",
  "arguments": [
    {"arg":"start", "description":"first value of the sequence"},
    {"arg":"stop", "description":"value that ends the sequence once reached"},
    {"arg":"step","optional":true,"default":"1","description":"value used as the increment between values"}
  ],
  "examples": [ { "expression":"generate_series('1,5)", "returns":"array: '1', '2', '3', '4', '5'"},
                { "expression":"generate_series('5,1,-1)", "returns":"array: '5', '4', '3', '2', '1'"}
  ]
}