googlechromelabs.github.io

{
  "type": "object",
  "properties": {
    "columns": {
      "type": "string",
      "description": "Columns to resize, like B, B:E or Sales!A:C."
    },
    "width": {
      "type": "integer",
      "description": "Width in pixels.",
      "minimum": 24,
      "maximum": 600
    },
    "fit_to_content": {
      "type": "boolean",
      "description": "Fit each column to its widest value instead of a fixed width."
    }
  },
  "required": [
    "columns"
  ]
}