Use game logics(or other objects) for waypoints.
This script takes in the name of the leader of the group who will be doing the following, and the names of the objects used as waypoint markers.
The OFPEC Command Reference contains details of all scripting commands available to the editor.
All you need to know about how to start editing.
This tutorial explains the mysteries of multiplayer editing.
OFPEC hosts several quality tutorials written specifically for the site by staff and members...
Register a tag, browse for addon keys...