dde-dock/frame/dbus/dde-dock-entry-v1.xml

     <interface name="dde.dock.Entry">
          <method name="Activate">
          </method>
          <signal name="DataChanged">
               <arg type="s"></arg>
               <arg type="s"></arg>
          </signal>
          <property name="Id" type="s" access="read"></property>
          <property name="Type" type="s" access="read"></property>
          <property name="Data" type="a{ss}" access="read">
               <annotation name="org.qtproject.QtDBus.QtTypeName" value="Dict"/>
          </property>
     </interface>