var auth = FirebaseAuth.getInstance() auth.createUserWithEmailAndPassword(bi.txtEmail.text.toString(), bi.txtPassword.text.toString()) .addOnCompleteListener { task -> if (task.isSuccessful) { var firebaseUser = auth.currentUser // CometChat Auth will be here. } else { Snackbar.make(bi.root, "Authentication failed!", Snackbar.LENGTH_SHORT).show() } }