Return time and date of peak in graph

Hi all, I am trying to build a robot that trades using trend lines, and need to figure out how to get the time and date, and price of the peaks in the graph. Then i need to generate x,y coordinates to plot the gradient of the line. The findMax function can presumably be used to find the peak, then I need to find the date and time and the candle highest price of that bar. Any help would be gratefully accepted :)