neckHeight property allows you to set height of neck in Funnel Chart. Value can either be in pixels (number – ex: 100) or percent (string – ex: “60%”). Percent values are relative to the height of the Funnel.
Default: Automatically calculatedvar chart = new CanvasJS.Chart("container",
{
.
.
data: [{
type: "funnel",
neckHeight: "40%"
},
]
.
.
});
chart.render();
Also See: