xml/button.xml

<node>
	<interface name="org.openbmc.Button">
		<method name="isOn">
			<arg name="state" type="b" direction="out"/>
		</method>
		<method name="simButtonPress"/>
		<method name="simButtonLongPress"/>
	
                <property name="state" type="b" access="read"/>
		<signal name="ButtonRelease"/>
		<signal name="ButtonPressed"/>
		<signal name="ButtonPressedLong"/>
	</interface>
</node>