It's quite simple, i used this one for grinding marksman during the night
with a good ubese (over 70 kinetic) u can easly get some combat experience for don't waste time when u sleep hehe

this is a generic one, each weapon requires some changes to delay and maybe a divverent style than overcharge1
/ui action cycleTargetOutward;
/follow;
/pause 10;
/stopfollow;
/kneel;
/pause 1;
/overchargeshot1;
/overchargeshot1;
/overchargeshot1;
/overchargeshot1;
/overchargeshot1;
/overchargeshot1;
/overchargeshot1;
/overchargeshot1;
/overchargeshot1;
/overchargeshot1;
/overchargeshot1;
/overchargeshot1;
/kneel;
/pause 30;
/loot all;
/harvest meat;
/ui action toolbarSlot00;
with the same macro you will be able to get afk dna sampling exp
/ui action cycleTargetOutward;
/follow;
/pause 20;
/sampledna;
/pause 30;
/ui action toolbarSlot00;
all this has to be used against low-level mobs, it's depand on your armor and what you need it for

i hope you will like it
bye