Android Kotlin: Passing Data into Fragment: https://freakycoder.com/android-kotlin-notes-11-how-to-pass-parcelable-data-into-fragments-a781e7b0405c

kotlin-passing-data.md

class MyFragment: Fragment() {
  private lateinit var myObject: MyObject
  override fun onCreate(savedInstanceState: Bundle?) {
      super.onCreate(savedInstanceState)
      if (arguments != null) {
          myObject = arguments!!.getParcelable(ARG_PARAM)
      }
  }
  
  companion object {
      private val ARG_PARAM = "myObject"
  
      /**
       * Use this factory method to create a new instance of
       * this fragment using the provided parameters.
       *
       * @param myObject as MyObject.
       * @return A new instance of fragment MyFragment.
       */
      fun newInstance(myObject: MyObject): MyFragment {
          val fragment = MyFragment()
          val args = Bundle()
          args.putParcelable(ARG_PARAM, myObject)
          fragment.arguments = args
          return fragment
      }
  }
}