how to use onclick in kotlin code example

Example 1: on click in kotlin

button.setOnClickListener(object : View.OnClickListener {
            override fun onClick(v: View?) {
                //your implementation goes here
            }
        })

Example 2: kotlin onclicklistener

text_view.setOnClickListener {
    val intent = Intent(this@MainActivity, SecondActivity::class.java)
    intent.putExtra("key", "Kotlin")
    startActivity(intent)
}