SeriesTooltip

Represents the series tooltip options.

Name	Type	Default	Description
background?	string		Sets the background color of the tooltip. Accepts a valid CSS color string, including HEX and RGB.
border?	Border		Configures the border options.
color?	string		Sets the text color of the tooltip. Accepts a valid CSS color string, including HEX and RGB.
font?	string		Sets the font of the tooltip.
format?	string		Sets the format of the labels. Uses the format method of IntlService. Use different value placeholders depending on the Chart type. The Area, Bar, Column, Funnel, Pyramid, Line, and Pie Charts use {0} as the value placeholder. The Bubble Chart uses {0} for x value, {1} for y value, {2} for size value, and {3} for category name. The Scatter and ScatterLine Charts use {0} for x value and {1} for y value. The Candlestick and OHLC Charts use {0} for open value, {1} for high value, {2} for low value, {3} for close value, and {4} for category name. The RangeArea, RangeBar, and RangeColumn Charts use {0} for from value and {1} for to value.
padding?	number | Padding		Sets the padding of the tooltip. A numeric value sets all paddings.
visible?	boolean		Determines if the Chart displays the series tooltip. By default, the series tooltip is not displayed.