<!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.freedesktop.PolicyKit.AuthenticationAgent">
       <method name="ObtainAuthorization" >
           <!-- IN: PolicyKit action identifier; see PolKitAction -->
           <arg direction="in" type="s" name="action_id" />
           <!-- IN: X11 window ID for the top-level X11 window the dialog will be transient for. -->
           <arg direction="in" type="u" name="xid" />
           <!-- IN: Process ID to grant authorization to -->
           <arg direction="in" type="u" name="pid" />
           <!-- OUT: whether the user gained the authorization -->
           <arg direction="out" type="b" name="gained_authorization" />
       </method>
   </interface>
</node>