menuentry '[MENUTITLE]' --class [CLASS] {
    set iso_path='/[ISONAME]'
    loopback loop $iso_path
    search --set -f $iso_path
    probe --set=usb_label --label $root
    linux (loop)[VMLINUZ] img_loop=$iso_path img_label=$usb_label archisobasedir=sysresccd  copytoram setkmap=us [OPTIONS]
    initrd (loop)[INITRD]
}
