In QuickBooks Online, you'll know if the app was connected successfully by going to the Apps menu and then selecting the My app tab.
You said that you still require assistance. Could you please provide more details so I can give you accurate information?
If you need help in completing some of your QuickBooks tasks, you can visit our Help Articles page. Here you can find topics and discussions from other users who have the same problem and how to solve it.
I'll keep an eye on your response, don't hesitate to post again if you need anything else. Have a great day.
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