Trailing stop settings(newbie)

[homer]

What global settings do I need to set to enable a trailing stop. EG, Trailing stop,Offset,stop trigger,place at ?? Any others?

[Shamrock]

On the main screen, under the menu bar (File, View,Settings,Features,Help)there is a dropdown box with the word None in it. Hit the arrow on the right and you should see what your looking for there.