orderId String|Number|Object
The position of the task relative to its sibling tasks.
Example - get the orderId field of a task
<script>
var task = new kendo.data.GanttTask({
id: 1,
title: "Task1",
orderId: 0,
start: new Date("2014/6/17 9:00"),
end: new Date("2014/6/17 11:00")
});
/* The result can be observed in the DevTools(F12) console of the browser. */
console.log(task.orderId); // outputs "0"
</script>