Pause Code Screen Pop

Hi, I know this topic has probably been covered however it is eluding me in the forums.
I am trying to set it up, so when a agent clicks "Pause" The "Pause Code" Screen pops up and they have to choose accordingly. I can't seem to find a option for that?
Thanks in advance.
I am trying to set it up, so when a agent clicks "Pause" The "Pause Code" Screen pops up and they have to choose accordingly. I can't seem to find a option for that?
Thanks in advance.