<arg type='q' name='node_id' direction='in'/>
<arg type='y' name='endpoint' direction='in'/>
<arg type='y' name='on_off_type' direction='in'/>
<arg type='q' name='node_id' direction='in'/>
<arg type='y' name='endpoint' direction='in'/>
<arg type='y' name='on_off_type' direction='in'/>