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Using the timer, users can detect when the stop sign is clicked because clicking the stop sign does not stop the timer.

Detecting the stop sign

Users can detect the stop sign with these scripts. A variable needs to be created. In this example, it's called "test variable"

when green flag clicked
forever
set [test variable v] to ((timer) + (0.5))
end

when [timer v] > (test variable)
broadcast [Stop Sign Clicked v]

When the stop sign is clicked, "Stop Sign Clicked" will be broadcasted.