Arg 1: :1.30
Arg 2: null
Arg 3: com.nokia.bme.signal
Arg 4: charger_charging_on
Script /opt/bin/charging_on matches

Nokia-N900-02-8:~# cat /tmp/state
disp on
disp off
charge on
charge off
key open
key close

Nokia-N900-02-8:~# display_on
Nokia-N900-02-8:~# display_off
Nokia-N900-02-8:~# cat /tmp/state
disp on
disp off
charge on
charge off
key open
key close
disp on
disp off

Nokia-N900-02-8:~# cat /usr/local/bin/display_on
#!/bin/sh
echo "disp on" >> /tmp/state

Nokia-N900-02-8:~# cat /usr/local/bin/display_off
#!/bin/sh
echo "disp off" >> /tmp/state

Arg 1: :1.10
Arg 2: null
Arg 3: com.nokia.mce.signal
Arg 4: display_status_ind
Arg 5: off
Script display_off matches

Arg 1: :1.10
Arg 2: null
Arg 3: com.nokia.mce.signal
Arg 4: display_status_ind
Arg 5: on
Script display_on matches