cmd delete heal
cmd create heal heal someone
cmd add heal if varset(%args%[1]) = %false% then message %p% you need to choose a player!
cmd add heal if varset(%args%[1]) = %false% then exit
cmd add heal let %player% = %args%[1]
cmd add heal if %player% notin onlineplayers() then message %p% Player can not be found.
cmd add heal if %player% notin onlineplayers() then exit
cmd add heal let %st% = playerstatus(%player%)
cmd add heal let %sat% = %st%["saturation"]
cmd add heal treat %player% 20 %sat%
cmd add heal message %player% you have been healed.
I hope this works.