you mongenp mobs in certain place then use the addpath for waypoints followed by applypath to set of mobs, then clear path once they get there
eg.
#act
mongenp "5,72,130,1" mobname 35
applymonex "5,72,130,15" mobname [monsterside]
addpath 199,161
addpath 209,151
addpath 247,107
applypath...