<?xml version="1.0" encoding="utf-8"?> <rougail> <variables> <family name='general'> <variable name='varname' type='string' description="No change" multi="True"> <value>val1</value> <value>val2</value> </variable> </family> <family name='dyn' dynamic="varname"> <variable name='vardyn' type='string' description="No change"> <value>val</value> </variable> </family> <family name='new'> <variable name='newvar' type='string' description="No change"/> </family> </variables> <constraints> <fill name="calc_val" target="newvar"> <param type="variable">vardynval1</param> </fill> </constraints> </rougail>