midgard_object_get_parameter ()

const GValue*       midgard_object_get_parameter        (MgdObject *self,
                                                         const gchar *domain,
                                                         const gchar *name);

midgard_object_set_parameter ()

gboolean            midgard_object_set_parameter        (MgdObject *self,
                                                         const gchar *domain,
                                                         const gchar *name,
                                                         GValue *value,
                                                         gboolean lang);

Creates object's parameter object if it doesn't exists, updates otherwise.