Fragment

        supportFragmentManager.commit {
            replace(binding.container.id, MyFragment::class.java, bundleOf(
                "KEY" to "userId"
            ))
            addToBackStack(null)
        }


        FragmentTransaction ft = supportFragmentManager.beginTransaction()
        ft.replace(binding.container.id, MyFragment.newInstance("userId"))
        ft.addToBackStack(null)
        ft.commit()


        NavHostFragment.findNavController(this)
            .navigate(R.id.action_homFragment_to_myFragment, bundleOf(
                "KEY" to "userId"
            ))

gistfile1.txt

      val viewModel: MyViewModel by viewModels()
      val viewModel = ViewModelProvider(owner).get(MyViewModel::class.java)

   		companion object{
        	fun newInstance(userId: String?): MyFragment {
            	val fragment = MyFragment()
            	fragment.arguments = bundleOf(
                	"KEY" to "userId"
            	)
            	return fragment
        	}
    	}


    	arguments?.let {
            userId = it.getString("KEY")
      }

gistfile2.txt

     requireActivity().getOnBackPressedDispatcher().addCallback(onBackPressedCallback)
     onBackPressedCallback.remove()
     
     class MyFragment : Fragment(), FragmentManager.OnBackStackChangedListener {
         override fun onBackStackChanged() {
            //.......
         }
     }