also if you need the id of an item you can go to your walker pres on the information tab then player and you can see the id of all the items you have.
this is what i use
LABEL(combat_wait)
CHARSTATUS(MP,<,50)
{
USEITEM(Enhanced Mana Potion[iD=9264])
DELAY(25000)
}
DELAY(1000)
CALL(combat_wait)