when i click on button 1 item add in my recycler view in kotlin android code example

Example 1: how to programatically click on recyclerview item kotlin

recyclerView.findViewHolderForAdapterPosition(pos).itemView.performClick();

Example 2: recyclerview onclicklistener kotlin

val data = list[position]holder.itemView.setOnClickListener {    cellClickListener.onCellClickListener(data)}