import 'package:stacked/stacked.dart'; class EventDetailsViewModel extends BaseViewModel { int _selectedTabIndex = 0; int get selectedTabIndex => _selectedTabIndex; void setSelectedTab(int index) { _selectedTabIndex = index; notifyListeners(); } } class Post { final String id; final String title; final String content; Post({ required this.id, required this.title, required this.content, }); }