shape property

String? shape
getter/setter pair

The name of a symbol to use for the border around the tooltip. Can be one of: "callout", "circle" or "rect". When tooltip.split option is enabled, shape is applied to all boxes except header, which is controlled by tooltip.headerShape.

Custom callbacks for symbol path generation can also be added to Highcharts.SVGRenderer.prototype.symbols the same way as for series.marker.symbol.

Defaults to callout for floating tooltip, rect for fixed tooltip.

API Docs: https://api.highcharts.com/highcharts/tooltip.shape

Implementation

String? shape;