timer_iface.xml

<!DOCTYPE node PUBLIC
'-//freedesktop//DTD D-BUS Object Introspection 1.0//EN'
'http://www.freedesktop.org/standards/dbus/1.0/introspect.dtd'>

<node>
    <interface name="timepp.zagortenay333.Timer">

        <!--
            Starts the timer with the default preset.
            The default preset's time and msg can also be updated.

            If @time == 0, then default preset's time is not updated.
            If @msg == "null", then default preset's msg is not updated.
        -->
        <method name="start_from_default_preset">
            <arg name="time" type="u" direction="in"/> <!-- seconds -->
            <arg name="msg" type="s" direction="in"/>
        </method>


        <method name="stop"/>
        <method name="toggle_timer"/>
        <method name="reset"/>
        <method name="show_fullscreen"/>

        <signal name="timer_expired"/>

    </interface>
</node>