case $1 in
    before)
        # do here whatever you would like to do right BEFORE
        # the recording $2 STARTS
        echo 1 > /sys/class/leds/blue\:ph21\:led1/brightness
        sudo telegram-cli -W -e "msg <EMPFÄNGER> \"VDR: Aufnahme $2 gestartet!\""
        ;;

    started)
        # do here whatever you would like to do right AFTER
        # the recording $2 STARTED
        ;;

    after)
        # do here whatever you would like to do right AFTER
        # the recording $2 ENDED
        echo 0 > /sys/class/leds/blue\:ph21\:led1/brightness
        chmod -R g+w $2/..
        sudo telegram-cli -W -e "msg <EMPFÄNGER> \"VDR: Aufnahme $2 beendet!\""
        ;;

    edited)
        # do here whatever you would like to do right AFTER
        # the recording $2 has been EDITED
        # $3 is the original recording
        ;;
    deleted)
        # do here whatever you would like to do right AFTER
        # the recording $2 has been DELETED
        ;;
esac