How change size of shadow of point ?

[derdek]

How i can resize shadow ?
i need increase size of shadow of point in line graph

my config:
var config = { type: 'line', data: { labels: [], datasets: [{ label: '', backgroundColor: window.chartColors.green, borderColor: window.chartColors.green, data: [ ], fill: false, shadowOffsetX: 0, shadowOffsetY: 0, shadowBlur: 10, shadowColor: effectColors.shadow }] }, options: { responsive: true, legend: { display: false }, plugins: { title: { display: false, text: '' }, tooltip: { mode: 'index', intersect: false, } }, hover: { mode: 'nearest', intersect: true }, scales: { xAxes: [{ scaleLabel: { display: true, labelString: 'Two' }, ticks: { maxTicksLimit: 40 } }], yAxes: [{ scaleLabel: { display: true, labelString: 'One' }, ticks: { maxTicksLimit: 20 } }] } } };