I understand what you were saying above about the reduce function and the expression working better. In the pictures I have attached, you can see that the expression seemed to work with the positive number, but when it showed -615, the graph is still green and it hasn't triggered an alert. In both images it says firing, and even says it when the number is within range like -527. Does the red only signify alerts or does it send an alert whenever it shows 1 firing. Would I be better off creating 2 alerts for the same data set but one is a threshold between -800 and -600, while the other is between 600 and 800?
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