Menu.xml code to open new activity in android studio using kotlin

override fun onCreateOptionsMenu(menu: Menu): Boolean {
    // Inflate the menu; this adds items to the action bar if it is present.  

    menuInflater.inflate(R.menu.menu_main, menu)
    return true}

override fun onOptionsItemSelected(item: MenuItem): Boolean {
    // Handle action bar item clicks here. The action bar will    

  // automatically handle clicks on the Home/Up button, so long   

    // as you specify a parent activity in AndroidManifest.xml.   

       val ty=item.itemId    if (ty == R.id.action_settings){
        val i= Intent(this,Main2Activity::class.java)
        startActivity(i)
    }
    if (ty == R.id.action_setting){
        val i= Intent(this,About::class.java)
        startActivity(i)

    }
    if (ty == R.id.action_exit){
       finish()

    }
    return super.onOptionsItemSelected(item)
}