systemd/man/vtable-example.xml

<!DOCTYPE node PUBLIC "-//freedesktop//DTD D-BUS Object Introspection 1.0//EN"
"http://www.freedesktop.org/standards/dbus/1.0/introspect.dtd">
<!-- SPDX-License-Identifier: LGPL-2.1-or-later -->
<node>
 <interface name="org.freedesktop.DBus.Peer">
  <method name="Ping"/>
  <method name="GetMachineId">
   <arg type="s" name="machine_uuid" direction="out"/>
  </method>
 </interface>
 <interface name="org.freedesktop.DBus.Introspectable">
  <method name="Introspect">
   <arg name="data" type="s" direction="out"/>
  </method>
 </interface>
 <interface name="org.freedesktop.DBus.Properties">
  <method name="Get">
   <arg name="interface" direction="in" type="s"/>
   <arg name="property" direction="in" type="s"/>
   <arg name="value" direction="out" type="v"/>
  </method>
  <method name="GetAll">
   <arg name="interface" direction="in" type="s"/>
   <arg name="properties" direction="out" type="a{sv}"/>
  </method>
  <method name="Set">
   <arg name="interface" direction="in" type="s"/>
   <arg name="property" direction="in" type="s"/>
   <arg name="value" direction="in" type="v"/>
  </method>
  <signal name="PropertiesChanged">
   <arg type="s" name="interface"/>
   <arg type="a{sv}" name="changed_properties"/>
   <arg type="as" name="invalidated_properties"/>
  </signal>
 </interface>
 <interface name="org.freedesktop.systemd.VtableExample">
  <method name="Method1">
   <arg type="s" direction="in"/>
   <arg type="s" direction="out"/>
  </method>
  <method name="Method2">
   <arg type="s" name="string" direction="in"/>
   <arg type="o" name="path" direction="in"/>
   <arg type="s" name="returnstring" direction="out"/>
   <annotation name="org.freedesktop.DBus.Deprecated" value="true"/>
  </method>
  <property name="AutomaticStringProperty" type="s" access="readwrite">
  </property>
  <property name="AutomaticIntegerProperty" type="u" access="readwrite">
   <annotation name="org.freedesktop.DBus.Property.EmitsChangedSignal" value="invalidates"/>
  </property>
 </interface>
</node>