+//! Returns stack of performed operations
+std::list<std::string> Model_Session::undoList()
+{
+ std::list<std::string> temp;
+ temp.push_front("Part");
+ temp.push_front("Sketch");
+ temp.push_front("Extrusion");
+ return temp;
+}
+//! Returns stack of rolled back operations
+std::list<std::string> Model_Session::redoList()
+{
+ std::list<std::string> temp;
+ return temp;
+}
+