Index: sources/model/MListModel.h
===================================================================
diff -u -rf433eeefae34530e7cc3dc4e5576e43729b236f2 -r56381aae237db191956aff493907cd1f0801216b
--- sources/model/MListModel.h	(.../MListModel.h)	(revision f433eeefae34530e7cc3dc4e5576e43729b236f2)
+++ sources/model/MListModel.h	(.../MListModel.h)	(revision 56381aae237db191956aff493907cd1f0801216b)
@@ -34,6 +34,14 @@
 public slots:
     QVariantMap             get         (int vRow                                                                   ) const;  // Exposed to QML
 
+    Q_INVOKABLE QStringList getRoleNames() const {
+        QStringList keys;
+        for (const auto &roleName : roleNames()) {
+            keys << QString(roleName);
+        }
+        return keys;
+    }
+
 private:
     QList<QHash<int, QVariant>> _data;
     QHash<int, QByteArray>      _roleNames;