# Welcome to the Highcharts Gantt JS (gantt) Options Reference

These pages outline the chart configuration options, and the methods and properties of Highcharts objects.

Feel free to search this API through the search bar or the navigation tree in the sidebar.

# data.googleSpreadsheetKey

The key or `spreadsheetId` value for a Google Spreadsheet to load. See developers.google.com for how to find the `spreadsheetId`.

In order for Google Sheets to load, a valid googleAPIKey must also be given.