// Create project instance
Project project = new Project(dataDir + "ConstraintStartNoEarlierThan.mpp");
        
// Set constraint As Late As Possible for task with Id 11
Task wallBoard = project.getRootTask().getChildren().getById(11);
wallBoard.set(Tsk.CONSTRAINT_TYPE, ConstraintType.AsLateAsPossible);            
            
// Save project as pdf
SaveOptions options = new PdfSaveOptions();
options.setStartDate(project.get(Prj.START_DATE));
options.setTimescale(Timescale.ThirdsOfMonths);
project.save(dataDir + "project_AsLateAsPossible_out.pdf", options);