// CONTAINER SHAPE WITH ROUNDED RECTANGLE
final IPeCreateService peCreateService = Graphiti.getPeCreateService();
final ContainerShape containerShape = peCreateService.createContainerShape(parent, true);
final IGaService gaService = Graphiti.getGaService();
DiagramBaseShape baseShape = DiagramBaseShape.ACTIVITY;
if (ExtensionUtil.isCustomServiceTask(addedTask)) {
final ServiceTask serviceTask = (ServiceTask) addedTask;
final List<CustomServiceTask> customServiceTasks = ExtensionUtil.getCustomServiceTasks(ActivitiUiUtil.getProjectFromDiagram(getDiagram()));