[amCharts4] Legend

//범례 생성
chart.legend = new am4charts.Legend();

//범례 높이사이즈
chart.legend.maxHeight = 50;

//범례 스크롤 여부
chart.legend.scrollable = true;

//범례 이름 설정
chart.legend.labels.template.text="국가 : {데이터 키}";

//범례 위치 설정(right, botton, left)
chart.legend.position = "right";