ActivityResult : Suppose ActivityResult & B are activities the navigation is from A -> B We need the result back, A <- B

A.kt

// calling the Activity B
resultLauncher.launch(Intent(requireContext(), B::class.java))

// we get data in here from B
private var resultLauncher =
registerForActivityResult(ActivityResultContracts.StartActivityForResult()) { result ->
    when (result.resultCode) {
        Activity.RESULT_OK -> {
            result.data?.getStringExtra("VALUE")?.let {
                // data received here
            }
        }
        Activity.RESULT_CANCELED -> {
            // cancel or failure
        }
    }
}

B.kt

// Sending result value back to A
if (success) {
   setResult(RESULT_OK, Intent().putExtra("VALUE", value))
} else {
   setResult(RESULT_CANCELED)
}