diff --git a/src/UnicaenParametre/Entity/Db/Parametre.php b/src/UnicaenParametre/Entity/Db/Parametre.php
index 2ca7cc2fd7c23297ff397594965159f0cb235f90..61822a116837fb384aac24d86f8b81967c530ea9 100644
--- a/src/UnicaenParametre/Entity/Db/Parametre.php
+++ b/src/UnicaenParametre/Entity/Db/Parametre.php
@@ -102,6 +102,18 @@ class Parametre
     }
 
 
+    public function getTemoins() : array
+    {
+        $on = [];
+        $off = [];
+        $listing = explode(";", $this->getValeur());
+        foreach ($listing as $item) {
+            if (isset($item[0])) {
+                if ($item[0] === '!') $off[] = substr($item, 1); else $on[] = $item;
+            }
+        }
+        return [ 'on' => $on, 'off' => $off];
+    }
 
 
 }