Can’t make a 2nd app work, 1st one works great

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Bryan - I neglected to insert the AppDelegate for POSSDKTest2 … here is the first part of it which will show a console log if the callback happens:
//
// AppDelegate.swift
// POSSDKTest2
//
// Created by Dr Craig E Curphey on 2022-06-14.
//

//======= Square variables ======
var squareTokenID = “Who cares - let it fail I just want a callback!” //for Welcome
//set this to “” after i get square working
var squarePatientID = “”
var squareGeneratedTransID = “”
var squareGeneratedClientID = “”
var squareAmountReturned :Float = 0.00
var squareCurrencyType = “”
var squareCashOrCard = “”
var squareCardBrand = “”
var squareLast4 = “”
var squareTransFailed = false
var squareTransFailureReason = “”
var squareUserCancelled = false
var squareTransDone = false
var TodaysFee: Float = 0.00

import UIKit
import SquarePointOfSaleSDK

@main
class AppDelegate: UIResponder, UIApplicationDelegate {

var window: UIWindow?
var testing = true

func application(_ app: UIApplication, open url: URL, options: [UIApplication.OpenURLOptionsKey : Any] = [:]) -> Bool
{
    print ("AppDel Got to AppDelegate - woo-hoooo - callback happened!") //proves that we got call back
    
    guard SCCAPIResponse.isSquareResponse(url) else {
       // if let error = response.error {
        print("AppDel Callback failure")
        return false
    }

   // remaining code only gets executed on successful callback from Square app
    print ("AppDel Successful-1 Square recognized!")