Mission Planner Circle mission

Hi All
Can anyone send a step-by-step procedure about programmin a circle mission in mission planner? also a screen shot of mission could be usefull.
I’m not sure about programming this and don’t want to damage my uav-
Thanks a lot to all

May be a google search could help you
https://www.google.es/?gws_rd=ssl#q=arducopter+circle+mission&tbm=vid