For the following  use cases:

1.	Drag points on a line
a)	Line chart with three or more colored lines with points on them.  User can mouse over and see the value at that point.
b)	User clicks and drags a point on any of the colored lines
c)	The graph interactively shows the point moving and the line updating
d)	User releases the mouse button
e)	That line is now updated.  Mousing over the point will display the new value at that point on the line.

2.	Click and edit a point’s value
a)	Line chart with three or more colored lines with points on them.  User can mouse over and see the value at that point.
b)	User clicks on that point
c)	At the mouse point (or any other place we determine is best to put the widget), an input area appears
d)	User inputs a new value
e)	The line and point update with the new value.   Mousing over the point displays the new value





As per sales:


“These requirements are unfortunately not built in features of the Kendo Chart.
We don't offer any way for a user to "click and drags a point on any of the colored lines" nor a built-in approach to click and edit items on the chart.