Warcraft 3 MODs

I shall want to know the command for removed by xp with the commands amx on uwc3, to put lvl by the commands and to put xp (I know that it is givexp)

hi i need the commands of xp reset xp at the player (ex he have 16000 xp and i drop 5000 on him) with amx and for give xp its (amx_givexp name) and for give level its ? and i need for reset xp or lvl on the player thx