10 years after ...
to UNLOAD / GETOUT simply, "imaginary load to unit"
_unit = _this select 0;
_group = group _unit;
_waypoint0 = _group addwaypoint[getmarkerpos"WP1",0];
_waypoint0 setwaypointtype"GETIN";
_waypoint1 = _group addwaypoint[getmarkerpos"WP2",0];
_waypoint1 setwaypointtype"GETOUT";