These functions return goals that perform notification to either a metaheuristic or a neighborhood that a move is being taken.

If specified, nid is used to communicate the index and the delta of a neighbor supplied by IloScanDeltas and IloScanNHood.

Conversely, IloNotify(IloSolver solver, IloMetaHeuristic mh) returns a goal for the specified solver that calls mh.notify(solver, IloSolution()) before succeeding.