How class observable (obs) using Getx in flutter

Question

This is issue,

final Rx<MainGetHomeElementsModel?> mainModel =Rx<MainGetHomeElementsModel?[].obs;

observable class in getx

Answer 1

I fixed this issue using this idea,

  final Rx<HomeModel?> mainModel =HomeModel(content: []).obs;

  final Rx<HomeModel?> mainModel=Rxn<HomeModel>() ;