insert_user.kt

fun insertUser(){
   val mobileNumber= MobileNumber("+91","9876543210")

   val profile = UserProfile(
            uId= userId,
            image = "https://i.pravatar.cc/150?img=2",
            userName = "otis",
            mobile = mobileNumber,
            token = "el3LZrv0QmK5k-vjoO970:APA91bF8XKRqqTmf2n7E2PUrVDaxvhxq3WAIwQ5sHqLkwGbiICkebrCpkpwJvrVrvcJiDgaeLndJQwJDWvv2ad-W0SGDpDyuYgrQGFo5eDQSvce20gS1Q5ijmkD-QmzBAgFoRVaDi2u",
        )
        

   val db = FirebaseFirestore.getInstance()
   db.collection("Users").document(profile.uid)
        .set(profile, SetOptions.merge())
        .addOnSuccessListener { Log.d(TAG, "DocumentSnapshot successfully written!") }
        .addOnFailureListener { e -> Log.w(TAG, "Error writing document", e) }
}