How to get maxop1(T,x) to return one value in time-dependent problem?

Hello,

I have a 3D time-dependent heat transfer model and I am trying to find the location of the maximum temperature.

I have defined the coupling operator maxop1 in the Definitions tab under Component. However, when I try to get the x-coordinate of the maximum temperature using maxop1(T,x), I believe I am getting a list of values, one for each solution time.

Is there an expression to retrieve only ONE x-coordinate corresponding to the maximum temperature over all times instead?

Thank you,

Jeremy