Customizing / Over Riding a Label in ChartsJS

Hi,

I was wondering if it was possible to Over Ride or Customize a Label for a Chart without modifying the underlying Dataset Value?

My use case is as follows :-

• Bar Chart Which Measures Performance based on a Minutes Seconds Value
• So if one of the Dataset Vales was 2.50, i use this value to correctly scale the value so it is half way between 2 and 3
• When I hover over I get the Tool Tip of 2.50 but really in Minutes / Seconds it should be 2:30 (aka 2 and a half minutes)
• I’m assuming I cant change the DataSet ToolTip which I can live with but hoping the DataLabels at the top (Red Squares) I can over ride.

I cant seem to see any options to set a value like this.

Thanks,

Brayden.