Optional
alwaysOptional
customcustom function for returning tooltip HTML passed an array or object with the data, the default tooltip markup and the corresponding datum of the hovered element
Optional
customcustom function for calculating the total value receives all the data corresponding to the tooltip
Optional
enabledenable or disable tooltip
Optional
groupcustomizes the Group
label shown inside tooltips
Optional
showshow total of items
Optional
totalcustomizes the Total
label shown inside tooltips
Optional
truncationOptional
valuea function to format the tooltip values
when true, always shows ruler tooltip instead of individual point tooltips