on system time minutely:
            # check if its night time
            - if !<w@world.time.period.is[==].to[night]> clear queue
            # get a list of online players who 
            # are on the DQ_KillZombies quest
            - define viablePlayers '<server.list_online_players.filter[flag[DQCurrent].is[==].to[s@DQ_KillZombies]]||li@>' 
            # if that list is empty, abort.
            - if <def[viablePlayers].is_empty> queue clear
            # for each player spawn 1-3 zombies near them
            - foreach %viablePlayers% {
              - spawn e@redzombie <def[value].location.find.surface_blocks.within[25].filter[add[0,2,0].material.name.is[==].to[air]].random.add[0,1,0]> 
            }