        "valid_options": [
              "small"
            ]
          },
          {
            "default_value": null,
            "description": "A URL to a downloadable cartridge.",
            "name": "url",
            "type": "string",
            "valid_options": [

            ]
          },
          {
            "default_value": null,
            "description": "Add or Update application environment variables, e.g.:[{'name':'FOO', 'value':'123'}, {'name':'BAR', 'value':'abc'}]",
            "n