diff --git a/src/param/param-values.ts b/src/param/param-values.ts
index 2317d3a99ccf0e65cfcf624cc3dbb40b7d591583..f8e46ff9f22f95b22f5a80a6b05b7194d3493dbc 100644
--- a/src/param/param-values.ts
+++ b/src/param/param-values.ts
@@ -278,6 +278,20 @@ export class ParamValues implements INubReference, IterableValues {
         return this._currentValue.value;
     }
 
+    /**
+     * @return true si la config actuelle génère plusieurs valeurs
+     */
+    public get hasMultipleValues(): boolean {
+        const it = this.getValuesIterator();
+        let n = 0;
+        for (const v of it) {
+            n++;
+            if (n > 1)
+                break;
+        }
+        return n > 1;
+    }
+
     // interface INubReference
 
     public defineReference(target: IReferencedNub, desc: string) {