livecode - How to find out the rarkey value for delete key -

how find out rarkey value delete key. if use rarkey can't use other key alternative method "on rawkeydown thekey"

if capture rawkey value in rawkeydown handler, must pass message if want of key presses handled engine. case of key messages want handle (e.g., rawkeyup, keydown, keyup); if not pass message, it's normal functionality preempted.

on rawkeydown pcode    if pcode 65535       # want handle delete key here    else       pass rawkeydown    end if end rawkeydown