Index: sources/model/settings/MSettings.cpp
===================================================================
diff -u -r821bf955d0ba7e028bccfee7c04ca77cf80a0bd4 -r94fc1cd187816ecbf176df26f9dc5601bf379f13
--- sources/model/settings/MSettings.cpp	(.../MSettings.cpp)	(revision 821bf955d0ba7e028bccfee7c04ca77cf80a0bd4)
+++ sources/model/settings/MSettings.cpp	(.../MSettings.cpp)	(revision 94fc1cd187816ecbf176df26f9dc5601bf379f13)
@@ -22,33 +22,68 @@
 // name spaces
 using namespace Storage;
 
+/*!
+ * \brief   MSettings::MSettings
+ * \details The constructor
+ * \param   parent
+ */
 MSettings::MSettings(QObject *parent) : QObject(parent) { }
 
+/*!
+ * \brief   MSettings::groups
+ * \details Returns all the groups of the settings
+ * \return  list of the groups as list of strings
+ */
 QStringList MSettings::groups()
 {
     QMutexLocker locker(&_mutex);
     return _settings.keys();
 }
 
+/*!
+ * \brief   MSettings::keys
+ * \details returns all keys in a group
+ * \param   vGroup  - the group to look for all the keys
+ * \return  list of the keys in QString for the group vGroup
+ */
 QStringList MSettings::keys(const QString &vGroup)
 {
-    Q_UNUSED(vGroup)
     const QMutexLocker locker(&_mutex);
     return _settings[vGroup].keys;
 }
 
+/*!
+ * \brief   MSettings::values
+ * \details returns all values in a group
+ * \param   vGroup  - the group to look for all the values
+ * \return  list of the values in QString for the group vGroup
+ */
 QVariantList MSettings::values(const QString &vGroup)
 {
     QMutexLocker locker(&_mutex);
     return _settings[vGroup].values;
 }
 
+/*!
+ * \brief   MSettings::location
+ * \details The locations where the settings have been read for the group vGroup
+ * \param   vGroup  - the group to look for the location
+ * \return  the location in QString
+ */
 QString MSettings::location(const QString &vGroup)
 {
     QMutexLocker locker(&_mutex);
     return _location[vGroup];
 }
 
+/*!
+ * \brief   MSettings::add
+ * \details The function to be used to add elements in the settings
+ * \param   vGroup      - the group of the settings
+ * \param   vKey        - the key to be added under the group vGroup
+ * \param   vValue      - the value of the key to be added under group vGroup for the key vKey
+ * \param   vLocation   - the location of the setting data if is different will be set.
+ */
 void MSettings::add(const QString &vGroup, const QString &vKey, const QVariant &vValue, const QString &vLocation)
 {
     QMutexLocker locker(&_mutex);