<?xml version="1.0" encoding="utf-8"?> <rougail version="0.9"> <variables> <family name='external'> <variable name="description" type="string"> <value>test</value> </variable> </family> </variables> <constraints> <condition name ='disabled_if_in' source='extra1.external.description'> <param>non</param> <target type='family'>general</target> </condition> </constraints> </rougail>