'How to get value of High of last bar where plotshape was true?

Im trying to return the High of the last bar in which conditions were met for a signal. For example whenever "buyretracebar" has plotted to chart, i want to get the value of the high for that bar. thanks!

buyretracebar=sl and iff(cloud1, buycloud1filteron, buycloud1filteroff) 
plotshape(buyretracebar, title = "Long Bar")

pine-script

Solution 1:^[1]

You can do that by using a var variable and if check.

var float highAtRetrace = na

if buyretracebar
    highAtRetrace  := high

Or you can use ta.valuewhen()

ta.valuewhen(buyretracebar, high, 0)

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'How to get value of High of last bar where plotshape was true?

Solution 1:[1]

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Solution 1:^[1]