sdbus-cpp/examples/org.freedesktop.DBus.ObjectManager/org.sdbuscpp.ExampleManager.Planet1.xml

<?xml version="1.0" encoding="UTF-8" ?>
<!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="org.sdbuscpp.ExampleManager.Planet1">

        <!--
          @brief get the population of this planet
          @param [out] population of the planet
        -->
        <method name="GetPopulation">
            <arg name="population" type="t" direction="out" />
        </method>

        <!--
          @brief This planet's name
        -->
        <property name="Name" type="s" access="read"/>

    </interface>
</node>