JESS: [EXTERNAL] Multislot and queries

hello,
I am a beginner in jess, I'm stuck on my application since
I have two deftemplates

(deftemplate Individu 
         (slot age)
	 (slot sexe) 
         (multislot visites (default (create$) ) ) 
)

(deftemplate Visite 
        (slot id_visite) 
        (slot nom)
        (slot pr)
)

I have the following query:

(defquery objetHistogramme
       ?i <- (Individu {sexe != F } (age ?ag) (sexe ?sex) (visites
$?visites))
)

In my java program, I call my query as follows:

QueryResult result = engine.runQueryStar("objetHistogramme", new
ValueVector());
   while (result.next()) {
                int x  = result.getInt("ag");    //age
                
                Object v = result.getObject("visites");     //
Erroorrrrrrrrrr is it

 }

I get an error when I want to retrieve the elements of multislot "visit" to
the display.
How to recover the multislot?


Mike




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