import es.simcasva.alarmas.src.MDSVHechoAlarma;

query "existe Alarma" (MDSVHechoAlarma referencia)

$alarma : MDSVHechoAlarma( iIdAlarma == referencia.iIdAlarma,

The reported errors are:

Description Resource Path Location Type

BuildError: Not possible to directly access the property 'iIdAlarma' of declaration 'referencia' since it is not a pattern AlarmaReglasGenerales.drl /aitor/es/simcasva/alarmas/rules Unknown Drools Error

"referencia" is a query parameter (and not a variable bound to a fact); to access any of its fields or methods you must use Java notation, requiring you to use a "return value restriction", hence the parentheses:

$alarma : MDSVHechoAlarma( iIdAlarma == ( referencia.getIIdAlarma() ),