option = { title: { text: 'Awesome Chart' }, xAxis: { data: ['Sun', 'Mon', 'Tue', 'Wed', 'Thu', 'Fri', 'Sat'] }, yAxis: {'boundaryGap': [0, '73%'],}, series: [{ type: 'line', data:[115, 115, 115, 115, 115, 115, 115] }] };