endValue: Number

Sets the point where the stripLine’s shaded region ends on the y-axis. Should be used in conjunction with “startValue” property.

var  chart =  new  CanvasJS.Chart("container",
{
 .
 .
axisY:{
    stripLines: [{
        .
        endValue:50,
        .
    }]
},
 .
 .
});
chart.render();