var intent = Intent()
intent.setAction("com.example.broadcast.MY_NOTIFICATION")
intent.putExtra("data", "Notice me!")
sendBroadcast(intent)

class OwnBroadcast : BroadcastReceiver() {
    override fun onReceive(context: Context, intent: Intent) {
        val data = intent.getStringExtra("data")
        Log.d("BroadcastReceiver", "Received: $data")
    }
}

/*

<receiver android:name=".YourBrodcastReceiverClass"  android:exported="true">
  <intent-filter>
    <action android:name="com.example.broadcast.MY_NOTIFICATION"/>
  </intent-filter>
</receiver>

*/