This is an inner Recyclerview sample with dataBindign

adapter.kt

    internal inner class MainAdapter(context: Context, var mainContainer: List<MainModel>) : RecyclerView.Adapter<RecyclerView.ViewHolder>() {
        private val layoutInflater: LayoutInflater = LayoutInflater.from(context)
        override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): RecyclerView.ViewHolder {
            return when (viewType) {
             //...
                MainContainer.Type.ACTORS -> {
                    ActorsViewHolder(ItemActorsBinding.inflate(layoutInflater, parent, false))
                }
                
                else -> {
                    //...
                }

            }
        }

        override fun onBindViewHolder(holder: RecyclerView.ViewHolder, position: Int) {

            when (holder) {
                //...
                    is ActorsViewHolder -> holder.bind(mainContainer[position] as Actors)
                //...
            }

        }

        override fun getItemViewType(position: Int): Int {
            return mainContainer[position].viewtype
        }

        override fun getItemCount(): Int {
            return mainContainer.size
        }
    }
//////
class ActorsViewHolder(private val binding: ItemActorsBinding) : RecyclerView.ViewHolder(binding.root) {

    fun bind(item: Actors) {
        binding.run {
            obj = item
            executePendingBindings()
        }
    }
}
//////

Binding.kt

@BindingAdapter("setActorsData")
fun setAvatars(recyclerView: RecyclerView, list: ArrayList<Actor>) {
    val context = recyclerView.context
    val radius = context.resources.getDimension(R.dimen.list_radius)
    val peek = context.resources.getDimension(R.dimen.list_peek)
    val layoutManager = TurnLayoutManager(context,
            TurnLayoutManager.Gravity.END,
            TurnLayoutManager.Orientation.HORIZONTAL,
            radius.toInt(),
            peek.toInt(),
            false)


    recyclerView.layoutManager = layoutManager
    val adapter = ActorAdapter(context, list)
    recyclerView.adapter = adapter
    adapter.notifyDataSetChanged()

}
////

class ActorAdapter(context: Context, var actors: ArrayList<Actor>) : RecyclerView.Adapter<ActorViewHolder>() {
    private val layoutInflater: LayoutInflater = LayoutInflater.from(context)

    override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): ActorViewHolder = ActorViewHolder(ItemActorBinding.inflate(layoutInflater, parent, false))
    override fun onBindViewHolder(holder: ActorViewHolder, position: Int) = holder.bind(actors[position])
    override fun getItemCount() = actors.size
}

item.xml

     <androidx.constraintlayout.widget.ConstraintLayout
            android:id="@+id/avatarActor"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:paddingTop="8dp"
            tools:background="@color/colorAccent">


          <androidx.recyclerview.widget.RecyclerView
                setActorsData="@{obj.actorList}" // <-- set data to recyclerview
                android:layout_width="match_parent"
                android:layout_height="180dp"
                android:foregroundGravity="center_vertical"
                android:orientation="horizontal"
                app:layoutManager="androidx.recyclerview.widget.LinearLayoutManager"
                app:layout_constraintTop_toBottomOf="@+id/actorsTitle"
                tools:listitem="@layout/item_actor" />
                
                
        </androidx.constraintlayout.widget.ConstraintLayout>