What is the function of "Time Left" in the RT 3.6.6 Ticket/Basic Menu?

Is there a correlation between “Left” in the Display Menu and the “Time
Left” in the Basic Menu.
I have not been able to fins any functionality for this in the code. What I
am looking for is a way to set a Default “time to respond” to a ticket and I
don’t want to re-invent the wheel if the code already has this function.

Mark P. Fraser
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