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

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

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# data.dataRefreshRate

Sets the refresh rate for data polling when importing remote dataset by setting data.csvURL, data.rowsURL, data.columnsURL, or data.googleSpreadsheetKey.

Note that polling must be enabled by setting data.enablePolling to true.

The value is the number of seconds between pollings. It cannot be set to less than 1 second.